Home / 87,456.15-131,171.15-24,269.61

Finding the Fourth Proportional to 87,456.15, 131,171.15 and 24,269.61

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Solution

The fourth proportional to 87,456.15, 131,171.15 and 24,269.61 is: 36,400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,456.15 : 131,171.15 = 24,269.61 : x
  2. Step 2: Convert to fraction form
    87,456.15/131,171.15 = 24,269.61/x
  3. Step 3: Cross multiply
    87,456.15x = 131,171.15 × 24,269.61
  4. Step 4: Simplify right side
    87,456.15x = 3,183,472,532.40
  5. Step 5: Solve for x
    x = 3,183,472,532.40/87,456.15
  6. Step 6: Final answer
    x = 36,400.79

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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.