Home / 41,763.78-62,639.19-12,178.53

Finding the Fourth Proportional to 41,763.78, 62,639.19 and 12,178.53

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Solution

The fourth proportional to 41,763.78, 62,639.19 and 12,178.53 is: 18,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,763.78 : 62,639.19 = 12,178.53 : x
  2. Step 2: Convert to fraction form
    41,763.78/62,639.19 = 12,178.53/x
  3. Step 3: Cross multiply
    41,763.78x = 62,639.19 × 12,178.53
  4. Step 4: Simplify right side
    41,763.78x = 762,853,254.59
  5. Step 5: Solve for x
    x = 762,853,254.59/41,763.78
  6. Step 6: Final answer
    x = 18,265.91

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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.