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Finding the Fourth Proportional to 80,397.91, 110,946.31 and 44,591.25

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Solution

The fourth proportional to 80,397.91, 110,946.31 and 44,591.25 is: 61,534.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,397.91 : 110,946.31 = 44,591.25 : x
  2. Step 2: Convert to fraction form
    80,397.91/110,946.31 = 44,591.25/x
  3. Step 3: Cross multiply
    80,397.91x = 110,946.31 × 44,591.25
  4. Step 4: Simplify right side
    80,397.91x = 4,947,234,950.36
  5. Step 5: Solve for x
    x = 4,947,234,950.36/80,397.91
  6. Step 6: Final answer
    x = 61,534.37

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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.