Home / 89,766.77-123,877.53-49,480.57

Finding the Fourth Proportional to 89,766.77, 123,877.53 and 49,480.57

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Solution

The fourth proportional to 89,766.77, 123,877.53 and 49,480.57 is: 68,282.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,766.77 : 123,877.53 = 49,480.57 : x
  2. Step 2: Convert to fraction form
    89,766.77/123,877.53 = 49,480.57/x
  3. Step 3: Cross multiply
    89,766.77x = 123,877.53 × 49,480.57
  4. Step 4: Simplify right side
    89,766.77x = 6,129,530,484.90
  5. Step 5: Solve for x
    x = 6,129,530,484.90/89,766.77
  6. Step 6: Final answer
    x = 68,282.84

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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.