Solve the proportion for x.

5/6=x/90

supporting work

x = 75

Step-by-step explanation:

5/6 = x/90

cross multiply so 5 * 90 = 450

then x * 6 = 6x

now you have 6x = 450

you now divide 450 and 6 by 6 in order to separate the x from 6

So the answer is 75