Home / 89,233.21-123,143.46-48,949.03

Finding the Fourth Proportional to 89,233.21, 123,143.46 and 48,949.03

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Solution

The fourth proportional to 89,233.21, 123,143.46 and 48,949.03 is: 67,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,233.21 : 123,143.46 = 48,949.03 : x
  2. Step 2: Convert to fraction form
    89,233.21/123,143.46 = 48,949.03/x
  3. Step 3: Cross multiply
    89,233.21x = 123,143.46 × 48,949.03
  4. Step 4: Simplify right side
    89,233.21x = 6,027,752,302.13
  5. Step 5: Solve for x
    x = 6,027,752,302.13/89,233.21
  6. Step 6: Final answer
    x = 67,550.55

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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.