Home / 79,265.76-109,397.92-49,060.80

Finding the Fourth Proportional to 79,265.76, 109,397.92 and 49,060.80

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Solution

The fourth proportional to 79,265.76, 109,397.92 and 49,060.80 is: 67,710.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,265.76 : 109,397.92 = 49,060.80 : x
  2. Step 2: Convert to fraction form
    79,265.76/109,397.92 = 49,060.80/x
  3. Step 3: Cross multiply
    79,265.76x = 109,397.92 × 49,060.80
  4. Step 4: Simplify right side
    79,265.76x = 5,367,149,473.54
  5. Step 5: Solve for x
    x = 5,367,149,473.54/79,265.76
  6. Step 6: Final answer
    x = 67,710.82

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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.