Home / 67,469.20-93,115.70-39,174.89

Finding the Fourth Proportional to 67,469.20, 93,115.70 and 39,174.89

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Solution

The fourth proportional to 67,469.20, 93,115.70 and 39,174.89 is: 54,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,469.20 : 93,115.70 = 39,174.89 : x
  2. Step 2: Convert to fraction form
    67,469.20/93,115.70 = 39,174.89/x
  3. Step 3: Cross multiply
    67,469.20x = 93,115.70 × 39,174.89
  4. Step 4: Simplify right side
    67,469.20x = 3,647,797,424.18
  5. Step 5: Solve for x
    x = 3,647,797,424.18/67,469.20
  6. Step 6: Final answer
    x = 54,066.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.