Home / 87,631.98-131,360.49-34,250.73

Finding the Fourth Proportional to 87,631.98, 131,360.49 and 34,250.73

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Solution

The fourth proportional to 87,631.98, 131,360.49 and 34,250.73 is: 51,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,631.98 : 131,360.49 = 34,250.73 : x
  2. Step 2: Convert to fraction form
    87,631.98/131,360.49 = 34,250.73/x
  3. Step 3: Cross multiply
    87,631.98x = 131,360.49 × 34,250.73
  4. Step 4: Simplify right side
    87,631.98x = 4,499,192,675.66
  5. Step 5: Solve for x
    x = 4,499,192,675.66/87,631.98
  6. Step 6: Final answer
    x = 51,341.90

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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.