Home / 80,589.12-111,231.04-44,791.68

Finding the Fourth Proportional to 80,589.12, 111,231.04 and 44,791.68

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Solution

The fourth proportional to 80,589.12, 111,231.04 and 44,791.68 is: 61,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,589.12 : 111,231.04 = 44,791.68 : x
  2. Step 2: Convert to fraction form
    80,589.12/111,231.04 = 44,791.68/x
  3. Step 3: Cross multiply
    80,589.12x = 111,231.04 × 44,791.68
  4. Step 4: Simplify right side
    80,589.12x = 4,982,225,149.75
  5. Step 5: Solve for x
    x = 4,982,225,149.75/80,589.12
  6. Step 6: Final answer
    x = 61,822.55

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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.