Home / 80,148.48-110,608.94-48,327.64

Finding the Fourth Proportional to 80,148.48, 110,608.94 and 48,327.64

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Solution

The fourth proportional to 80,148.48, 110,608.94 and 48,327.64 is: 66,694.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,148.48 : 110,608.94 = 48,327.64 : x
  2. Step 2: Convert to fraction form
    80,148.48/110,608.94 = 48,327.64/x
  3. Step 3: Cross multiply
    80,148.48x = 110,608.94 × 48,327.64
  4. Step 4: Simplify right side
    80,148.48x = 5,345,469,033.10
  5. Step 5: Solve for x
    x = 5,345,469,033.10/80,148.48
  6. Step 6: Final answer
    x = 66,694.58

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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.