Home / 102,571.10-153,856.68-27,691.17

Finding the Fourth Proportional to 102,571.10, 153,856.68 and 27,691.17

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Solution

The fourth proportional to 102,571.10, 153,856.68 and 27,691.17 is: 41,536.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,571.10 : 153,856.68 = 27,691.17 : x
  2. Step 2: Convert to fraction form
    102,571.10/153,856.68 = 27,691.17/x
  3. Step 3: Cross multiply
    102,571.10x = 153,856.68 × 27,691.17
  4. Step 4: Simplify right side
    102,571.10x = 4,260,471,481.52
  5. Step 5: Solve for x
    x = 4,260,471,481.52/102,571.10
  6. Step 6: Final answer
    x = 41,536.76

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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.