Home / 80,565.20-111,197.76-44,767.52

Finding the Fourth Proportional to 80,565.20, 111,197.76 and 44,767.52

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Solution

The fourth proportional to 80,565.20, 111,197.76 and 44,767.52 is: 61,789.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,565.20 : 111,197.76 = 44,767.52 : x
  2. Step 2: Convert to fraction form
    80,565.20/111,197.76 = 44,767.52/x
  3. Step 3: Cross multiply
    80,565.20x = 111,197.76 × 44,767.52
  4. Step 4: Simplify right side
    80,565.20x = 4,978,047,944.76
  5. Step 5: Solve for x
    x = 4,978,047,944.76/80,565.20
  6. Step 6: Final answer
    x = 61,789.06

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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.