Home / 41,780.82-62,665.04-12,190.70

Finding the Fourth Proportional to 41,780.82, 62,665.04 and 12,190.70

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Solution

The fourth proportional to 41,780.82, 62,665.04 and 12,190.70 is: 18,284.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,780.82 : 62,665.04 = 12,190.70 : x
  2. Step 2: Convert to fraction form
    41,780.82/62,665.04 = 12,190.70/x
  3. Step 3: Cross multiply
    41,780.82x = 62,665.04 × 12,190.70
  4. Step 4: Simplify right side
    41,780.82x = 763,930,703.13
  5. Step 5: Solve for x
    x = 763,930,703.13/41,780.82
  6. Step 6: Final answer
    x = 18,284.24

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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.