Home / 87,589.90-131,379.36-34,961.56

Finding the Fourth Proportional to 87,589.90, 131,379.36 and 34,961.56

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Solution

The fourth proportional to 87,589.90, 131,379.36 and 34,961.56 is: 52,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,589.90 : 131,379.36 = 34,961.56 : x
  2. Step 2: Convert to fraction form
    87,589.90/131,379.36 = 34,961.56/x
  3. Step 3: Cross multiply
    87,589.90x = 131,379.36 × 34,961.56
  4. Step 4: Simplify right side
    87,589.90x = 4,593,227,377.40
  5. Step 5: Solve for x
    x = 4,593,227,377.40/87,589.90
  6. Step 6: Final answer
    x = 52,440.15

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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.