Home / 82,432.95-123,645.56-34,381.71

Finding the Fourth Proportional to 82,432.95, 123,645.56 and 34,381.71

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Solution

The fourth proportional to 82,432.95, 123,645.56 and 34,381.71 is: 51,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,432.95 : 123,645.56 = 34,381.71 : x
  2. Step 2: Convert to fraction form
    82,432.95/123,645.56 = 34,381.71/x
  3. Step 3: Cross multiply
    82,432.95x = 123,645.56 × 34,381.71
  4. Step 4: Simplify right side
    82,432.95x = 4,251,145,614.80
  5. Step 5: Solve for x
    x = 4,251,145,614.80/82,432.95
  6. Step 6: Final answer
    x = 51,570.95

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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.