Home / 103,788.62-155,676.45-41,414.30

Finding the Fourth Proportional to 103,788.62, 155,676.45 and 41,414.30

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Solution

The fourth proportional to 103,788.62, 155,676.45 and 41,414.30 is: 62,118.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,788.62 : 155,676.45 = 41,414.30 : x
  2. Step 2: Convert to fraction form
    103,788.62/155,676.45 = 41,414.30/x
  3. Step 3: Cross multiply
    103,788.62x = 155,676.45 × 41,414.30
  4. Step 4: Simplify right side
    103,788.62x = 6,447,231,203.24
  5. Step 5: Solve for x
    x = 6,447,231,203.24/103,788.62
  6. Step 6: Final answer
    x = 62,118.86

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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.