Home / 48,861.20-73,205.40-43,331.60

Finding the Fourth Proportional to 48,861.20, 73,205.40 and 43,331.60

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Solution

The fourth proportional to 48,861.20, 73,205.40 and 43,331.60 is: 64,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,861.20 : 73,205.40 = 43,331.60 : x
  2. Step 2: Convert to fraction form
    48,861.20/73,205.40 = 43,331.60/x
  3. Step 3: Cross multiply
    48,861.20x = 73,205.40 × 43,331.60
  4. Step 4: Simplify right side
    48,861.20x = 3,172,107,110.64
  5. Step 5: Solve for x
    x = 3,172,107,110.64/48,861.20
  6. Step 6: Final answer
    x = 64,920.78

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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.