Home / 68,901.12-103,341.60-32,869.44

Finding the Fourth Proportional to 68,901.12, 103,341.60 and 32,869.44

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Solution

The fourth proportional to 68,901.12, 103,341.60 and 32,869.44 is: 49,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,901.12 : 103,341.60 = 32,869.44 : x
  2. Step 2: Convert to fraction form
    68,901.12/103,341.60 = 32,869.44/x
  3. Step 3: Cross multiply
    68,901.12x = 103,341.60 × 32,869.44
  4. Step 4: Simplify right side
    68,901.12x = 3,396,780,520.70
  5. Step 5: Solve for x
    x = 3,396,780,520.70/68,901.12
  6. Step 6: Final answer
    x = 49,299.35

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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.