Home / 82,765.20-124,167.28-23,601.72

Finding the Fourth Proportional to 82,765.20, 124,167.28 and 23,601.72

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Solution

The fourth proportional to 82,765.20, 124,167.28 and 23,601.72 is: 35,408.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,765.20 : 124,167.28 = 23,601.72 : x
  2. Step 2: Convert to fraction form
    82,765.20/124,167.28 = 23,601.72/x
  3. Step 3: Cross multiply
    82,765.20x = 124,167.28 × 23,601.72
  4. Step 4: Simplify right side
    82,765.20x = 2,930,561,375.72
  5. Step 5: Solve for x
    x = 2,930,561,375.72/82,765.20
  6. Step 6: Final answer
    x = 35,408.14

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1.5x scale

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.