Home / 87,624.14-120,921.17-49,898.39

Finding the Fourth Proportional to 87,624.14, 120,921.17 and 49,898.39

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Solution

The fourth proportional to 87,624.14, 120,921.17 and 49,898.39 is: 68,859.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,624.14 : 120,921.17 = 49,898.39 : x
  2. Step 2: Convert to fraction form
    87,624.14/120,921.17 = 49,898.39/x
  3. Step 3: Cross multiply
    87,624.14x = 120,921.17 × 49,898.39
  4. Step 4: Simplify right side
    87,624.14x = 6,033,770,845.82
  5. Step 5: Solve for x
    x = 6,033,770,845.82/87,624.14
  6. Step 6: Final answer
    x = 68,859.69

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