Home / 123,942.44-171,039.76-67,353.82

Finding the Fourth Proportional to 123,942.44, 171,039.76 and 67,353.82

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Solution

The fourth proportional to 123,942.44, 171,039.76 and 67,353.82 is: 92,947.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,942.44 : 171,039.76 = 67,353.82 : x
  2. Step 2: Convert to fraction form
    123,942.44/171,039.76 = 67,353.82/x
  3. Step 3: Cross multiply
    123,942.44x = 171,039.76 × 67,353.82
  4. Step 4: Simplify right side
    123,942.44x = 11,520,180,611.90
  5. Step 5: Solve for x
    x = 11,520,180,611.90/123,942.44
  6. Step 6: Final answer
    x = 92,947.83

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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.