Home / 87,687.89-131,532.11-24,507.59

Finding the Fourth Proportional to 87,687.89, 131,532.11 and 24,507.59

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Solution

The fourth proportional to 87,687.89, 131,532.11 and 24,507.59 is: 36,761.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,687.89 : 131,532.11 = 24,507.59 : x
  2. Step 2: Convert to fraction form
    87,687.89/131,532.11 = 24,507.59/x
  3. Step 3: Cross multiply
    87,687.89x = 131,532.11 × 24,507.59
  4. Step 4: Simplify right side
    87,687.89x = 3,223,535,486.33
  5. Step 5: Solve for x
    x = 3,223,535,486.33/87,687.89
  6. Step 6: Final answer
    x = 36,761.47

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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.