Finding the Fourth Proportional to 88,743.13, 122,470.50 and 48,460.65
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Solution
The fourth proportional to 88,743.13, 122,470.50 and 48,460.65 is: 66,878.42
Step by Step Solution
- Step 1: Write the proportion equation
88,743.13 : 122,470.50 = 48,460.65 : x - Step 2: Convert to fraction form
88,743.13/122,470.50 = 48,460.65/x - Step 3: Cross multiply
88,743.13x = 122,470.50 × 48,460.65 - Step 4: Simplify right side
88,743.13x = 5,935,000,035.83 - Step 5: Solve for x
x = 5,935,000,035.83/88,743.13 - Step 6: Final answer
x = 66,878.42
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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.