Home / 43,363.20-65,049.16-11,773.76

Finding the Fourth Proportional to 43,363.20, 65,049.16 and 11,773.76

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Solution

The fourth proportional to 43,363.20, 65,049.16 and 11,773.76 is: 17,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,363.20 : 65,049.16 = 11,773.76 : x
  2. Step 2: Convert to fraction form
    43,363.20/65,049.16 = 11,773.76/x
  3. Step 3: Cross multiply
    43,363.20x = 65,049.16 × 11,773.76
  4. Step 4: Simplify right side
    43,363.20x = 765,873,198.04
  5. Step 5: Solve for x
    x = 765,873,198.04/43,363.20
  6. Step 6: Final answer
    x = 17,661.82

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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.