Home / 79,769.20-119,630.76-27,177.52

Finding the Fourth Proportional to 79,769.20, 119,630.76 and 27,177.52

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Solution

The fourth proportional to 79,769.20, 119,630.76 and 27,177.52 is: 40,758.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,769.20 : 119,630.76 = 27,177.52 : x
  2. Step 2: Convert to fraction form
    79,769.20/119,630.76 = 27,177.52/x
  3. Step 3: Cross multiply
    79,769.20x = 119,630.76 × 27,177.52
  4. Step 4: Simplify right side
    79,769.20x = 3,251,267,372.52
  5. Step 5: Solve for x
    x = 3,251,267,372.52/79,769.20
  6. Step 6: Final answer
    x = 40,758.43

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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.