Finding the Fourth Proportional to 93,839.36, 129,482.88 and 53,553.20
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Solution
The fourth proportional to 93,839.36, 129,482.88 and 53,553.20 is: 73,894.61
Step by Step Solution
- Step 1: Write the proportion equation
93,839.36 : 129,482.88 = 53,553.20 : x - Step 2: Convert to fraction form
93,839.36/129,482.88 = 53,553.20/x - Step 3: Cross multiply
93,839.36x = 129,482.88 × 53,553.20 - Step 4: Simplify right side
93,839.36x = 6,934,222,569.22 - Step 5: Solve for x
x = 6,934,222,569.22/93,839.36 - Step 6: Final answer
x = 73,894.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.