Home / 120,764.45-166,660.14-67,049.46

Finding the Fourth Proportional to 120,764.45, 166,660.14 and 67,049.46

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Solution

The fourth proportional to 120,764.45, 166,660.14 and 67,049.46 is: 92,531.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,764.45 : 166,660.14 = 67,049.46 : x
  2. Step 2: Convert to fraction form
    120,764.45/166,660.14 = 67,049.46/x
  3. Step 3: Cross multiply
    120,764.45x = 166,660.14 × 67,049.46
  4. Step 4: Simplify right side
    120,764.45x = 11,174,472,390.52
  5. Step 5: Solve for x
    x = 11,174,472,390.52/120,764.45
  6. Step 6: Final answer
    x = 92,531.15

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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.