Home / 87,046.72-130,573.17-27,874.70

Finding the Fourth Proportional to 87,046.72, 130,573.17 and 27,874.70

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Solution

The fourth proportional to 87,046.72, 130,573.17 and 27,874.70 is: 41,813.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,046.72 : 130,573.17 = 27,874.70 : x
  2. Step 2: Convert to fraction form
    87,046.72/130,573.17 = 27,874.70/x
  3. Step 3: Cross multiply
    87,046.72x = 130,573.17 × 27,874.70
  4. Step 4: Simplify right side
    87,046.72x = 3,639,687,778.58
  5. Step 5: Solve for x
    x = 3,639,687,778.58/87,046.72
  6. Step 6: Final answer
    x = 41,813.04

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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.