\[ y \propto x \] \[ y=95 \text { when } x=19 \] Using the information above, write an equation for $y$ in terms of $x$.

Step 1 ：y=kx

Step 2 ：95=k(19)

Step 3 ：k=\frac{95}{19}=5

Step 4 ：y=5x

Step 5 ：\boxed{y=5x}