Home / 66,757.28-100,103.92-25,177.76

Finding the Fourth Proportional to 66,757.28, 100,103.92 and 25,177.76

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Solution

The fourth proportional to 66,757.28, 100,103.92 and 25,177.76 is: 37,754.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,757.28 : 100,103.92 = 25,177.76 : x
  2. Step 2: Convert to fraction form
    66,757.28/100,103.92 = 25,177.76/x
  3. Step 3: Cross multiply
    66,757.28x = 100,103.92 × 25,177.76
  4. Step 4: Simplify right side
    66,757.28x = 2,520,392,472.82
  5. Step 5: Solve for x
    x = 2,520,392,472.82/66,757.28
  6. Step 6: Final answer
    x = 37,754.57

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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.