Home / 75,540.60-113,354.10-52,183.80

Finding the Fourth Proportional to 75,540.60, 113,354.10 and 52,183.80

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Solution

The fourth proportional to 75,540.60, 113,354.10 and 52,183.80 is: 78,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,540.60 : 113,354.10 = 52,183.80 : x
  2. Step 2: Convert to fraction form
    75,540.60/113,354.10 = 52,183.80/x
  3. Step 3: Cross multiply
    75,540.60x = 113,354.10 × 52,183.80
  4. Step 4: Simplify right side
    75,540.60x = 5,915,247,683.58
  5. Step 5: Solve for x
    x = 5,915,247,683.58/75,540.60
  6. Step 6: Final answer
    x = 78,305.54

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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.