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Finding the Fourth Proportional to 80,761.56, 111,449.10 and 44,950.80

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Solution

The fourth proportional to 80,761.56, 111,449.10 and 44,950.80 is: 62,031.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,761.56 : 111,449.10 = 44,950.80 : x
  2. Step 2: Convert to fraction form
    80,761.56/111,449.10 = 44,950.80/x
  3. Step 3: Cross multiply
    80,761.56x = 111,449.10 × 44,950.80
  4. Step 4: Simplify right side
    80,761.56x = 5,009,726,204.28
  5. Step 5: Solve for x
    x = 5,009,726,204.28/80,761.56
  6. Step 6: Final answer
    x = 62,031.07

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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.