Finding the Fourth Proportional to 94,073.54, 129,821.49 and 56,369.62
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Solution
The fourth proportional to 94,073.54, 129,821.49 and 56,369.62 is: 77,790.08
Step by Step Solution
- Step 1: Write the proportion equation
94,073.54 : 129,821.49 = 56,369.62 : x - Step 2: Convert to fraction form
94,073.54/129,821.49 = 56,369.62/x - Step 3: Cross multiply
94,073.54x = 129,821.49 × 56,369.62 - Step 4: Simplify right side
94,073.54x = 7,317,988,059.13 - Step 5: Solve for x
x = 7,317,988,059.13/94,073.54 - Step 6: Final answer
x = 77,790.08
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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.