Home / 123,947.82-171,049.32-67,359.20

Finding the Fourth Proportional to 123,947.82, 171,049.32 and 67,359.20

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Solution

The fourth proportional to 123,947.82, 171,049.32 and 67,359.20 is: 92,956.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,947.82 : 171,049.32 = 67,359.20 : x
  2. Step 2: Convert to fraction form
    123,947.82/171,049.32 = 67,359.20/x
  3. Step 3: Cross multiply
    123,947.82x = 171,049.32 × 67,359.20
  4. Step 4: Simplify right side
    123,947.82x = 11,521,744,500.50
  5. Step 5: Solve for x
    x = 11,521,744,500.50/123,947.82
  6. Step 6: Final answer
    x = 92,956.41

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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.