Home / 41,305.23-61,960.20-11,720.74

Finding the Fourth Proportional to 41,305.23, 61,960.20 and 11,720.74

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Solution

The fourth proportional to 41,305.23, 61,960.20 and 11,720.74 is: 17,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,305.23 : 61,960.20 = 11,720.74 : x
  2. Step 2: Convert to fraction form
    41,305.23/61,960.20 = 11,720.74/x
  3. Step 3: Cross multiply
    41,305.23x = 61,960.20 × 11,720.74
  4. Step 4: Simplify right side
    41,305.23x = 726,219,394.55
  5. Step 5: Solve for x
    x = 726,219,394.55/41,305.23
  6. Step 6: Final answer
    x = 17,581.78

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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.