Home / 102,471.11-141,423.08-62,182.55

Finding the Fourth Proportional to 102,471.11, 141,423.08 and 62,182.55

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Solution

The fourth proportional to 102,471.11, 141,423.08 and 62,182.55 is: 85,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,471.11 : 141,423.08 = 62,182.55 : x
  2. Step 2: Convert to fraction form
    102,471.11/141,423.08 = 62,182.55/x
  3. Step 3: Cross multiply
    102,471.11x = 141,423.08 × 62,182.55
  4. Step 4: Simplify right side
    102,471.11x = 8,794,047,191.59
  5. Step 5: Solve for x
    x = 8,794,047,191.59/102,471.11
  6. Step 6: Final answer
    x = 85,819.78

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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.