Home / 87,886.83-131,876.73-47,934.66

Finding the Fourth Proportional to 87,886.83, 131,876.73 and 47,934.66

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Solution

The fourth proportional to 87,886.83, 131,876.73 and 47,934.66 is: 71,927.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,886.83 : 131,876.73 = 47,934.66 : x
  2. Step 2: Convert to fraction form
    87,886.83/131,876.73 = 47,934.66/x
  3. Step 3: Cross multiply
    87,886.83x = 131,876.73 × 47,934.66
  4. Step 4: Simplify right side
    87,886.83x = 6,321,466,214.46
  5. Step 5: Solve for x
    x = 6,321,466,214.46/87,886.83
  6. Step 6: Final answer
    x = 71,927.34

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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.