Home / 87,644.76-131,414.48-34,273.20

Finding the Fourth Proportional to 87,644.76, 131,414.48 and 34,273.20

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Solution

The fourth proportional to 87,644.76, 131,414.48 and 34,273.20 is: 51,389.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,644.76 : 131,414.48 = 34,273.20 : x
  2. Step 2: Convert to fraction form
    87,644.76/131,414.48 = 34,273.20/x
  3. Step 3: Cross multiply
    87,644.76x = 131,414.48 × 34,273.20
  4. Step 4: Simplify right side
    87,644.76x = 4,503,994,755.94
  5. Step 5: Solve for x
    x = 4,503,994,755.94/87,644.76
  6. Step 6: Final answer
    x = 51,389.21

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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.