Home / 68,734.20-103,106.10-27,175.80

Finding the Fourth Proportional to 68,734.20, 103,106.10 and 27,175.80

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Solution

The fourth proportional to 68,734.20, 103,106.10 and 27,175.80 is: 40,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,734.20 : 103,106.10 = 27,175.80 : x
  2. Step 2: Convert to fraction form
    68,734.20/103,106.10 = 27,175.80/x
  3. Step 3: Cross multiply
    68,734.20x = 103,106.10 × 27,175.80
  4. Step 4: Simplify right side
    68,734.20x = 2,801,990,752.38
  5. Step 5: Solve for x
    x = 2,801,990,752.38/68,734.20
  6. Step 6: Final answer
    x = 40,765.60

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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.