Home / 87,824.73-131,722.11-31,653.66

Finding the Fourth Proportional to 87,824.73, 131,722.11 and 31,653.66

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Solution

The fourth proportional to 87,824.73, 131,722.11 and 31,653.66 is: 47,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,824.73 : 131,722.11 = 31,653.66 : x
  2. Step 2: Convert to fraction form
    87,824.73/131,722.11 = 31,653.66/x
  3. Step 3: Cross multiply
    87,824.73x = 131,722.11 × 31,653.66
  4. Step 4: Simplify right side
    87,824.73x = 4,169,487,378.38
  5. Step 5: Solve for x
    x = 4,169,487,378.38/87,824.73
  6. Step 6: Final answer
    x = 47,475.09

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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.