Home / 113,433.40-156,520.57-65,677.52

Finding the Fourth Proportional to 113,433.40, 156,520.57 and 65,677.52

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Solution

The fourth proportional to 113,433.40, 156,520.57 and 65,677.52 is: 90,624.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,433.40 : 156,520.57 = 65,677.52 : x
  2. Step 2: Convert to fraction form
    113,433.40/156,520.57 = 65,677.52/x
  3. Step 3: Cross multiply
    113,433.40x = 156,520.57 × 65,677.52
  4. Step 4: Simplify right side
    113,433.40x = 10,279,882,538.20
  5. Step 5: Solve for x
    x = 10,279,882,538.20/113,433.40
  6. Step 6: Final answer
    x = 90,624.83

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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.