Home / 80,565.82-111,177.72-44,758.09

Finding the Fourth Proportional to 80,565.82, 111,177.72 and 44,758.09

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Solution

The fourth proportional to 80,565.82, 111,177.72 and 44,758.09 is: 61,764.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,565.82 : 111,177.72 = 44,758.09 : x
  2. Step 2: Convert to fraction form
    80,565.82/111,177.72 = 44,758.09/x
  3. Step 3: Cross multiply
    80,565.82x = 111,177.72 × 44,758.09
  4. Step 4: Simplify right side
    80,565.82x = 4,976,102,397.75
  5. Step 5: Solve for x
    x = 4,976,102,397.75/80,565.82
  6. Step 6: Final answer
    x = 61,764.44

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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.