Home / 87,579.27-131,357-34,234.13

Finding the Fourth Proportional to 87,579.27, 131,357 and 34,234.13

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Solution

The fourth proportional to 87,579.27, 131,357 and 34,234.13 is: 51,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,579.27 : 131,357 = 34,234.13 : x
  2. Step 2: Convert to fraction form
    87,579.27/131,357 = 34,234.13/x
  3. Step 3: Cross multiply
    87,579.27x = 131,357 × 34,234.13
  4. Step 4: Simplify right side
    87,579.27x = 4,496,892,614.41
  5. Step 5: Solve for x
    x = 4,496,892,614.41/87,579.27
  6. Step 6: Final answer
    x = 51,346.54

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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.