Respuesta :

The ratio is written as a:b = c:d, by proportion using the same given, it is written as a/b = c/d. In the problem, d is the missing number, so we will cross multiply it to get the value, 

d = cb / a
d = (3)(1) / 75
d = 3/75 = 1/25

Answer:

1/4

Step-by-step explanation:I took the test