Home / 87,765.20-131,567.83-31,592.10

Finding the Fourth Proportional to 87,765.20, 131,567.83 and 31,592.10

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Solution

The fourth proportional to 87,765.20, 131,567.83 and 31,592.10 is: 47,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,765.20 : 131,567.83 = 31,592.10 : x
  2. Step 2: Convert to fraction form
    87,765.20/131,567.83 = 31,592.10/x
  3. Step 3: Cross multiply
    87,765.20x = 131,567.83 × 31,592.10
  4. Step 4: Simplify right side
    87,765.20x = 4,156,504,456.54
  5. Step 5: Solve for x
    x = 4,156,504,456.54/87,765.20
  6. Step 6: Final answer
    x = 47,359.37

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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.