Home / 68,773.10-103,174.49-21,387.26

Finding the Fourth Proportional to 68,773.10, 103,174.49 and 21,387.26

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Solution

The fourth proportional to 68,773.10, 103,174.49 and 21,387.26 is: 32,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,773.10 : 103,174.49 = 21,387.26 : x
  2. Step 2: Convert to fraction form
    68,773.10/103,174.49 = 21,387.26/x
  3. Step 3: Cross multiply
    68,773.10x = 103,174.49 × 21,387.26
  4. Step 4: Simplify right side
    68,773.10x = 2,206,619,874.20
  5. Step 5: Solve for x
    x = 2,206,619,874.20/68,773.10
  6. Step 6: Final answer
    x = 32,085.51

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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.