Home / 83,732.20-115,552.52-45,491.76

Finding the Fourth Proportional to 83,732.20, 115,552.52 and 45,491.76

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Solution

The fourth proportional to 83,732.20, 115,552.52 and 45,491.76 is: 62,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,732.20 : 115,552.52 = 45,491.76 : x
  2. Step 2: Convert to fraction form
    83,732.20/115,552.52 = 45,491.76/x
  3. Step 3: Cross multiply
    83,732.20x = 115,552.52 × 45,491.76
  4. Step 4: Simplify right side
    83,732.20x = 5,256,687,507.24
  5. Step 5: Solve for x
    x = 5,256,687,507.24/83,732.20
  6. Step 6: Final answer
    x = 62,779.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.