Home / 80,680.18-111,337.07-44,869.42

Finding the Fourth Proportional to 80,680.18, 111,337.07 and 44,869.42

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Solution

The fourth proportional to 80,680.18, 111,337.07 and 44,869.42 is: 61,918.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,680.18 : 111,337.07 = 44,869.42 : x
  2. Step 2: Convert to fraction form
    80,680.18/111,337.07 = 44,869.42/x
  3. Step 3: Cross multiply
    80,680.18x = 111,337.07 × 44,869.42
  4. Step 4: Simplify right side
    80,680.18x = 4,995,629,963.11
  5. Step 5: Solve for x
    x = 4,995,629,963.11/80,680.18
  6. Step 6: Final answer
    x = 61,918.92

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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.