Home / 87,666.30-131,434.65-48,267.90

Finding the Fourth Proportional to 87,666.30, 131,434.65 and 48,267.90

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Solution

The fourth proportional to 87,666.30, 131,434.65 and 48,267.90 is: 72,366.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,666.30 : 131,434.65 = 48,267.90 : x
  2. Step 2: Convert to fraction form
    87,666.30/131,434.65 = 48,267.90/x
  3. Step 3: Cross multiply
    87,666.30x = 131,434.65 × 48,267.90
  4. Step 4: Simplify right side
    87,666.30x = 6,344,074,542.74
  5. Step 5: Solve for x
    x = 6,344,074,542.74/87,666.30
  6. Step 6: Final answer
    x = 72,366.17

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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.