Finding the Fourth Proportional to 75,331.84, 112,859.98 and 35,277.32
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Solution
The fourth proportional to 75,331.84, 112,859.98 and 35,277.32 is: 52,851.46
Step by Step Solution
- Step 1: Write the proportion equation
75,331.84 : 112,859.98 = 35,277.32 : x - Step 2: Convert to fraction form
75,331.84/112,859.98 = 35,277.32/x - Step 3: Cross multiply
75,331.84x = 112,859.98 × 35,277.32 - Step 4: Simplify right side
75,331.84x = 3,981,397,629.65 - Step 5: Solve for x
x = 3,981,397,629.65/75,331.84 - Step 6: Final answer
x = 52,851.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.