Home / 68,067.45-102,102.11-25,949.79

Finding the Fourth Proportional to 68,067.45, 102,102.11 and 25,949.79

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Solution

The fourth proportional to 68,067.45, 102,102.11 and 25,949.79 is: 38,925.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,067.45 : 102,102.11 = 25,949.79 : x
  2. Step 2: Convert to fraction form
    68,067.45/102,102.11 = 25,949.79/x
  3. Step 3: Cross multiply
    68,067.45x = 102,102.11 × 25,949.79
  4. Step 4: Simplify right side
    68,067.45x = 2,649,528,183.31
  5. Step 5: Solve for x
    x = 2,649,528,183.31/68,067.45
  6. Step 6: Final answer
    x = 38,925.04

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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.