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Finding the Fourth Proportional to 80,777.68, 111,473.15 and 44,976.15

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Solution

The fourth proportional to 80,777.68, 111,473.15 and 44,976.15 is: 62,067.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,777.68 : 111,473.15 = 44,976.15 : x
  2. Step 2: Convert to fraction form
    80,777.68/111,473.15 = 44,976.15/x
  3. Step 3: Cross multiply
    80,777.68x = 111,473.15 × 44,976.15
  4. Step 4: Simplify right side
    80,777.68x = 5,013,632,641.13
  5. Step 5: Solve for x
    x = 5,013,632,641.13/80,777.68
  6. Step 6: Final answer
    x = 62,067.06

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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.