Home / 87,680.87-131,447.49-35,061.65

Finding the Fourth Proportional to 87,680.87, 131,447.49 and 35,061.65

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Solution

The fourth proportional to 87,680.87, 131,447.49 and 35,061.65 is: 52,562.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,680.87 : 131,447.49 = 35,061.65 : x
  2. Step 2: Convert to fraction form
    87,680.87/131,447.49 = 35,061.65/x
  3. Step 3: Cross multiply
    87,680.87x = 131,447.49 × 35,061.65
  4. Step 4: Simplify right side
    87,680.87x = 4,608,765,887.76
  5. Step 5: Solve for x
    x = 4,608,765,887.76/87,680.87
  6. Step 6: Final answer
    x = 52,562.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.