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Finding the Fourth Proportional to 80,753.28, 111,437.28 and 44,944.56

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Solution

The fourth proportional to 80,753.28, 111,437.28 and 44,944.56 is: 62,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,753.28 : 111,437.28 = 44,944.56 : x
  2. Step 2: Convert to fraction form
    80,753.28/111,437.28 = 44,944.56/x
  3. Step 3: Cross multiply
    80,753.28x = 111,437.28 × 44,944.56
  4. Step 4: Simplify right side
    80,753.28x = 5,008,499,517.20
  5. Step 5: Solve for x
    x = 5,008,499,517.20/80,753.28
  6. Step 6: Final answer
    x = 62,022.24

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1.5x scale

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.