Home / 123,861.42-170,927.82-67,273.20

Finding the Fourth Proportional to 123,861.42, 170,927.82 and 67,273.20

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Solution

The fourth proportional to 123,861.42, 170,927.82 and 67,273.20 is: 92,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,861.42 : 170,927.82 = 67,273.20 : x
  2. Step 2: Convert to fraction form
    123,861.42/170,927.82 = 67,273.20/x
  3. Step 3: Cross multiply
    123,861.42x = 170,927.82 × 67,273.20
  4. Step 4: Simplify right side
    123,861.42x = 11,498,861,420.42
  5. Step 5: Solve for x
    x = 11,498,861,420.42/123,861.42
  6. Step 6: Final answer
    x = 92,836.51

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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.