Home / 41,781.06-62,665.43-12,190.95

Finding the Fourth Proportional to 41,781.06, 62,665.43 and 12,190.95

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Solution

The fourth proportional to 41,781.06, 62,665.43 and 12,190.95 is: 18,284.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,781.06 : 62,665.43 = 12,190.95 : x
  2. Step 2: Convert to fraction form
    41,781.06/62,665.43 = 12,190.95/x
  3. Step 3: Cross multiply
    41,781.06x = 62,665.43 × 12,190.95
  4. Step 4: Simplify right side
    41,781.06x = 763,951,062.90
  5. Step 5: Solve for x
    x = 763,951,062.90/41,781.06
  6. Step 6: Final answer
    x = 18,284.63

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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.