Home / 89,669.44-123,743.82-49,382.85

Finding the Fourth Proportional to 89,669.44, 123,743.82 and 49,382.85

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Solution

The fourth proportional to 89,669.44, 123,743.82 and 49,382.85 is: 68,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,669.44 : 123,743.82 = 49,382.85 : x
  2. Step 2: Convert to fraction form
    89,669.44/123,743.82 = 49,382.85/x
  3. Step 3: Cross multiply
    89,669.44x = 123,743.82 × 49,382.85
  4. Step 4: Simplify right side
    89,669.44x = 6,110,822,501.49
  5. Step 5: Solve for x
    x = 6,110,822,501.49/89,669.44
  6. Step 6: Final answer
    x = 68,148.33

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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.