Home / 68,911.25-103,301.26-22,131.32

Finding the Fourth Proportional to 68,911.25, 103,301.26 and 22,131.32

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Solution

The fourth proportional to 68,911.25, 103,301.26 and 22,131.32 is: 33,175.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,911.25 : 103,301.26 = 22,131.32 : x
  2. Step 2: Convert to fraction form
    68,911.25/103,301.26 = 22,131.32/x
  3. Step 3: Cross multiply
    68,911.25x = 103,301.26 × 22,131.32
  4. Step 4: Simplify right side
    68,911.25x = 2,286,192,614.30
  5. Step 5: Solve for x
    x = 2,286,192,614.30/68,911.25
  6. Step 6: Final answer
    x = 33,175.90

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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.