Home / 68,827.38-103,231.35-22,074.18

Finding the Fourth Proportional to 68,827.38, 103,231.35 and 22,074.18

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Solution

The fourth proportional to 68,827.38, 103,231.35 and 22,074.18 is: 33,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,827.38 : 103,231.35 = 22,074.18 : x
  2. Step 2: Convert to fraction form
    68,827.38/103,231.35 = 22,074.18/x
  3. Step 3: Cross multiply
    68,827.38x = 103,231.35 × 22,074.18
  4. Step 4: Simplify right side
    68,827.38x = 2,278,747,401.54
  5. Step 5: Solve for x
    x = 2,278,747,401.54/68,827.38
  6. Step 6: Final answer
    x = 33,108.15

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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.