Home / 83,422.08-125,007.48-50,105.52

Finding the Fourth Proportional to 83,422.08, 125,007.48 and 50,105.52

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Solution

The fourth proportional to 83,422.08, 125,007.48 and 50,105.52 is: 75,082.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,422.08 : 125,007.48 = 50,105.52 : x
  2. Step 2: Convert to fraction form
    83,422.08/125,007.48 = 50,105.52/x
  3. Step 3: Cross multiply
    83,422.08x = 125,007.48 × 50,105.52
  4. Step 4: Simplify right side
    83,422.08x = 6,263,564,789.29
  5. Step 5: Solve for x
    x = 6,263,564,789.29/83,422.08
  6. Step 6: Final answer
    x = 75,082.82

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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.