Home / 87,939.45-131,916.95-24,760.11

Finding the Fourth Proportional to 87,939.45, 131,916.95 and 24,760.11

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Solution

The fourth proportional to 87,939.45, 131,916.95 and 24,760.11 is: 37,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,939.45 : 131,916.95 = 24,760.11 : x
  2. Step 2: Convert to fraction form
    87,939.45/131,916.95 = 24,760.11/x
  3. Step 3: Cross multiply
    87,939.45x = 131,916.95 × 24,760.11
  4. Step 4: Simplify right side
    87,939.45x = 3,266,278,192.86
  5. Step 5: Solve for x
    x = 3,266,278,192.86/87,939.45
  6. Step 6: Final answer
    x = 37,142.35

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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.