Home / 87,687.04-131,472.76-31,498.96

Finding the Fourth Proportional to 87,687.04, 131,472.76 and 31,498.96

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Solution

The fourth proportional to 87,687.04, 131,472.76 and 31,498.96 is: 47,227.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,687.04 : 131,472.76 = 31,498.96 : x
  2. Step 2: Convert to fraction form
    87,687.04/131,472.76 = 31,498.96/x
  3. Step 3: Cross multiply
    87,687.04x = 131,472.76 × 31,498.96
  4. Step 4: Simplify right side
    87,687.04x = 4,141,255,208.33
  5. Step 5: Solve for x
    x = 4,141,255,208.33/87,687.04
  6. Step 6: Final answer
    x = 47,227.68

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1.5x scale

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.