Home / 89,810.76-123,936.48-49,523.85

Finding the Fourth Proportional to 89,810.76, 123,936.48 and 49,523.85

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Solution

The fourth proportional to 89,810.76, 123,936.48 and 49,523.85 is: 68,341.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,810.76 : 123,936.48 = 49,523.85 : x
  2. Step 2: Convert to fraction form
    89,810.76/123,936.48 = 49,523.85/x
  3. Step 3: Cross multiply
    89,810.76x = 123,936.48 × 49,523.85
  4. Step 4: Simplify right side
    89,810.76x = 6,137,811,645.05
  5. Step 5: Solve for x
    x = 6,137,811,645.05/89,810.76
  6. Step 6: Final answer
    x = 68,341.61

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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.