Home / 115,419.60-173,105.10-48,861.90

Finding the Fourth Proportional to 115,419.60, 173,105.10 and 48,861.90

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Solution

The fourth proportional to 115,419.60, 173,105.10 and 48,861.90 is: 73,282.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,419.60 : 173,105.10 = 48,861.90 : x
  2. Step 2: Convert to fraction form
    115,419.60/173,105.10 = 48,861.90/x
  3. Step 3: Cross multiply
    115,419.60x = 173,105.10 × 48,861.90
  4. Step 4: Simplify right side
    115,419.60x = 8,458,244,085.69
  5. Step 5: Solve for x
    x = 8,458,244,085.69/115,419.60
  6. Step 6: Final answer
    x = 73,282.56

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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.