Home / 120,721.44-166,593.09-67,003.26

Finding the Fourth Proportional to 120,721.44, 166,593.09 and 67,003.26

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Solution

The fourth proportional to 120,721.44, 166,593.09 and 67,003.26 is: 92,463.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,721.44 : 166,593.09 = 67,003.26 : x
  2. Step 2: Convert to fraction form
    120,721.44/166,593.09 = 67,003.26/x
  3. Step 3: Cross multiply
    120,721.44x = 166,593.09 × 67,003.26
  4. Step 4: Simplify right side
    120,721.44x = 11,162,280,123.47
  5. Step 5: Solve for x
    x = 11,162,280,123.47/120,721.44
  6. Step 6: Final answer
    x = 92,463.11

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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.