Home / 68,508.24-102,769.20-18,589.14

Finding the Fourth Proportional to 68,508.24, 102,769.20 and 18,589.14

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Solution

The fourth proportional to 68,508.24, 102,769.20 and 18,589.14 is: 27,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,508.24 : 102,769.20 = 18,589.14 : x
  2. Step 2: Convert to fraction form
    68,508.24/102,769.20 = 18,589.14/x
  3. Step 3: Cross multiply
    68,508.24x = 102,769.20 × 18,589.14
  4. Step 4: Simplify right side
    68,508.24x = 1,910,391,046.49
  5. Step 5: Solve for x
    x = 1,910,391,046.49/68,508.24
  6. Step 6: Final answer
    x = 27,885.57

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1.5x scale

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.