Home / 87,908.91-131,885.23-25,579.41

Finding the Fourth Proportional to 87,908.91, 131,885.23 and 25,579.41

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Solution

The fourth proportional to 87,908.91, 131,885.23 and 25,579.41 is: 38,375.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,908.91 : 131,885.23 = 25,579.41 : x
  2. Step 2: Convert to fraction form
    87,908.91/131,885.23 = 25,579.41/x
  3. Step 3: Cross multiply
    87,908.91x = 131,885.23 × 25,579.41
  4. Step 4: Simplify right side
    87,908.91x = 3,373,545,860.56
  5. Step 5: Solve for x
    x = 3,373,545,860.56/87,908.91
  6. Step 6: Final answer
    x = 38,375.47

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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.