Home / 89,824.99-123,956.85-49,542.49

Finding the Fourth Proportional to 89,824.99, 123,956.85 and 49,542.49

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Solution

The fourth proportional to 89,824.99, 123,956.85 and 49,542.49 is: 68,367.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,824.99 : 123,956.85 = 49,542.49 : x
  2. Step 2: Convert to fraction form
    89,824.99/123,956.85 = 49,542.49/x
  3. Step 3: Cross multiply
    89,824.99x = 123,956.85 × 49,542.49
  4. Step 4: Simplify right side
    89,824.99x = 6,141,131,001.56
  5. Step 5: Solve for x
    x = 6,141,131,001.56/89,824.99
  6. Step 6: Final answer
    x = 68,367.73

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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.