Finding the Fourth Proportional to 77,107.92, 106,402.33 and 44,843.18
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Solution
The fourth proportional to 77,107.92, 106,402.33 and 44,843.18 is: 61,879.75
Step by Step Solution
- Step 1: Write the proportion equation
77,107.92 : 106,402.33 = 44,843.18 : x - Step 2: Convert to fraction form
77,107.92/106,402.33 = 44,843.18/x - Step 3: Cross multiply
77,107.92x = 106,402.33 × 44,843.18 - Step 4: Simplify right side
77,107.92x = 4,771,419,234.91 - Step 5: Solve for x
x = 4,771,419,234.91/77,107.92 - Step 6: Final answer
x = 61,879.75
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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.