Home / 67,046.16-100,610.76-38,979.42

Finding the Fourth Proportional to 67,046.16, 100,610.76 and 38,979.42

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Solution

The fourth proportional to 67,046.16, 100,610.76 and 38,979.42 is: 58,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,046.16 : 100,610.76 = 38,979.42 : x
  2. Step 2: Convert to fraction form
    67,046.16/100,610.76 = 38,979.42/x
  3. Step 3: Cross multiply
    67,046.16x = 100,610.76 × 38,979.42
  4. Step 4: Simplify right side
    67,046.16x = 3,921,748,819.03
  5. Step 5: Solve for x
    x = 3,921,748,819.03/67,046.16
  6. Step 6: Final answer
    x = 58,493.27

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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.