Home / 87,686.46-131,542.38-27,694.62

Finding the Fourth Proportional to 87,686.46, 131,542.38 and 27,694.62

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Solution

The fourth proportional to 87,686.46, 131,542.38 and 27,694.62 is: 41,545.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,686.46 : 131,542.38 = 27,694.62 : x
  2. Step 2: Convert to fraction form
    87,686.46/131,542.38 = 27,694.62/x
  3. Step 3: Cross multiply
    87,686.46x = 131,542.38 × 27,694.62
  4. Step 4: Simplify right side
    87,686.46x = 3,643,016,228.00
  5. Step 5: Solve for x
    x = 3,643,016,228.00/87,686.46
  6. Step 6: Final answer
    x = 41,545.94

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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.