Finding the Fourth Proportional to 96,761.13, 133,522.99 and 54,311.46
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Solution
The fourth proportional to 96,761.13, 133,522.99 and 54,311.46 is: 74,945.68
Step by Step Solution
- Step 1: Write the proportion equation
96,761.13 : 133,522.99 = 54,311.46 : x - Step 2: Convert to fraction form
96,761.13/133,522.99 = 54,311.46/x - Step 3: Cross multiply
96,761.13x = 133,522.99 × 54,311.46 - Step 4: Simplify right side
96,761.13x = 7,251,828,394.69 - Step 5: Solve for x
x = 7,251,828,394.69/96,761.13 - Step 6: Final answer
x = 74,945.68
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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.