Home / 104,481.20-144,183.60-56,734.16

Finding the Fourth Proportional to 104,481.20, 144,183.60 and 56,734.16

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Solution

The fourth proportional to 104,481.20, 144,183.60 and 56,734.16 is: 78,292.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,481.20 : 144,183.60 = 56,734.16 : x
  2. Step 2: Convert to fraction form
    104,481.20/144,183.60 = 56,734.16/x
  3. Step 3: Cross multiply
    104,481.20x = 144,183.60 × 56,734.16
  4. Step 4: Simplify right side
    104,481.20x = 8,180,135,431.78
  5. Step 5: Solve for x
    x = 8,180,135,431.78/104,481.20
  6. Step 6: Final answer
    x = 78,292.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.