Home / 80,768.43-121,177.44-41,353.22

Finding the Fourth Proportional to 80,768.43, 121,177.44 and 41,353.22

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Solution

The fourth proportional to 80,768.43, 121,177.44 and 41,353.22 is: 62,042.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,768.43 : 121,177.44 = 41,353.22 : x
  2. Step 2: Convert to fraction form
    80,768.43/121,177.44 = 41,353.22/x
  3. Step 3: Cross multiply
    80,768.43x = 121,177.44 × 41,353.22
  4. Step 4: Simplify right side
    80,768.43x = 5,011,076,729.47
  5. Step 5: Solve for x
    x = 5,011,076,729.47/80,768.43
  6. Step 6: Final answer
    x = 62,042.52

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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.