Home / 89,240.18-123,159.24-48,961.71

Finding the Fourth Proportional to 89,240.18, 123,159.24 and 48,961.71

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Solution

The fourth proportional to 89,240.18, 123,159.24 and 48,961.71 is: 67,571.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,240.18 : 123,159.24 = 48,961.71 : x
  2. Step 2: Convert to fraction form
    89,240.18/123,159.24 = 48,961.71/x
  3. Step 3: Cross multiply
    89,240.18x = 123,159.24 × 48,961.71
  4. Step 4: Simplify right side
    89,240.18x = 6,030,086,992.70
  5. Step 5: Solve for x
    x = 6,030,086,992.70/89,240.18
  6. Step 6: Final answer
    x = 67,571.44

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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.