Home / 87,890.52-131,815.05-34,580.57

Finding the Fourth Proportional to 87,890.52, 131,815.05 and 34,580.57

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Solution

The fourth proportional to 87,890.52, 131,815.05 and 34,580.57 is: 51,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,890.52 : 131,815.05 = 34,580.57 : x
  2. Step 2: Convert to fraction form
    87,890.52/131,815.05 = 34,580.57/x
  3. Step 3: Cross multiply
    87,890.52x = 131,815.05 × 34,580.57
  4. Step 4: Simplify right side
    87,890.52x = 4,558,239,516.29
  5. Step 5: Solve for x
    x = 4,558,239,516.29/87,890.52
  6. Step 6: Final answer
    x = 51,862.70

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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.