Home / 41,765.97-62,642.47-12,180.72

Finding the Fourth Proportional to 41,765.97, 62,642.47 and 12,180.72

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Solution

The fourth proportional to 41,765.97, 62,642.47 and 12,180.72 is: 18,269.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,765.97 : 62,642.47 = 12,180.72 : x
  2. Step 2: Convert to fraction form
    41,765.97/62,642.47 = 12,180.72/x
  3. Step 3: Cross multiply
    41,765.97x = 62,642.47 × 12,180.72
  4. Step 4: Simplify right side
    41,765.97x = 763,030,387.18
  5. Step 5: Solve for x
    x = 763,030,387.18/41,765.97
  6. Step 6: Final answer
    x = 18,269.19

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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.