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Finding the Fourth Proportional to 80,592.56, 111,209.42 and 44,778.61

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Solution

The fourth proportional to 80,592.56, 111,209.42 and 44,778.61 is: 61,789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,592.56 : 111,209.42 = 44,778.61 : x
  2. Step 2: Convert to fraction form
    80,592.56/111,209.42 = 44,778.61/x
  3. Step 3: Cross multiply
    80,592.56x = 111,209.42 × 44,778.61
  4. Step 4: Simplify right side
    80,592.56x = 4,979,803,246.51
  5. Step 5: Solve for x
    x = 4,979,803,246.51/80,592.56
  6. Step 6: Final answer
    x = 61,789.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.