Home / 67,109.54-100,576.82-27,626.90

Finding the Fourth Proportional to 67,109.54, 100,576.82 and 27,626.90

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Solution

The fourth proportional to 67,109.54, 100,576.82 and 27,626.90 is: 41,404.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,109.54 : 100,576.82 = 27,626.90 : x
  2. Step 2: Convert to fraction form
    67,109.54/100,576.82 = 27,626.90/x
  3. Step 3: Cross multiply
    67,109.54x = 100,576.82 × 27,626.90
  4. Step 4: Simplify right side
    67,109.54x = 2,778,625,748.46
  5. Step 5: Solve for x
    x = 2,778,625,748.46/67,109.54
  6. Step 6: Final answer
    x = 41,404.33

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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.