Home / 87,694.11-131,545.88-27,718.04

Finding the Fourth Proportional to 87,694.11, 131,545.88 and 27,718.04

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Solution

The fourth proportional to 87,694.11, 131,545.88 and 27,718.04 is: 41,578.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,694.11 : 131,545.88 = 27,718.04 : x
  2. Step 2: Convert to fraction form
    87,694.11/131,545.88 = 27,718.04/x
  3. Step 3: Cross multiply
    87,694.11x = 131,545.88 × 27,718.04
  4. Step 4: Simplify right side
    87,694.11x = 3,646,193,167.36
  5. Step 5: Solve for x
    x = 3,646,193,167.36/87,694.11
  6. Step 6: Final answer
    x = 41,578.54

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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.