Home / 83,872.14-125,613.81-50,519.31

Finding the Fourth Proportional to 83,872.14, 125,613.81 and 50,519.31

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Solution

The fourth proportional to 83,872.14, 125,613.81 and 50,519.31 is: 75,661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,872.14 : 125,613.81 = 50,519.31 : x
  2. Step 2: Convert to fraction form
    83,872.14/125,613.81 = 50,519.31/x
  3. Step 3: Cross multiply
    83,872.14x = 125,613.81 × 50,519.31
  4. Step 4: Simplify right side
    83,872.14x = 6,345,923,007.67
  5. Step 5: Solve for x
    x = 6,345,923,007.67/83,872.14
  6. Step 6: Final answer
    x = 75,661.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.