Home / 68,902.12-103,343.10-32,870.44

Finding the Fourth Proportional to 68,902.12, 103,343.10 and 32,870.44

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Solution

The fourth proportional to 68,902.12, 103,343.10 and 32,870.44 is: 49,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,902.12 : 103,343.10 = 32,870.44 : x
  2. Step 2: Convert to fraction form
    68,902.12/103,343.10 = 32,870.44/x
  3. Step 3: Cross multiply
    68,902.12x = 103,343.10 × 32,870.44
  4. Step 4: Simplify right side
    68,902.12x = 3,396,933,167.96
  5. Step 5: Solve for x
    x = 3,396,933,167.96/68,902.12
  6. Step 6: Final answer
    x = 49,300.85

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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.