Home / 68,195.25-102,292.66-30,711.43

Finding the Fourth Proportional to 68,195.25, 102,292.66 and 30,711.43

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Solution

The fourth proportional to 68,195.25, 102,292.66 and 30,711.43 is: 46,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,195.25 : 102,292.66 = 30,711.43 : x
  2. Step 2: Convert to fraction form
    68,195.25/102,292.66 = 30,711.43/x
  3. Step 3: Cross multiply
    68,195.25x = 102,292.66 × 30,711.43
  4. Step 4: Simplify right side
    68,195.25x = 3,141,553,867.10
  5. Step 5: Solve for x
    x = 3,141,553,867.10/68,195.25
  6. Step 6: Final answer
    x = 46,067.05

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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.