Home / 89,738.20-123,838.14-49,452.28

Finding the Fourth Proportional to 89,738.20, 123,838.14 and 49,452.28

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Solution

The fourth proportional to 89,738.20, 123,838.14 and 49,452.28 is: 68,243.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,738.20 : 123,838.14 = 49,452.28 : x
  2. Step 2: Convert to fraction form
    89,738.20/123,838.14 = 49,452.28/x
  3. Step 3: Cross multiply
    89,738.20x = 123,838.14 × 49,452.28
  4. Step 4: Simplify right side
    89,738.20x = 6,124,078,373.96
  5. Step 5: Solve for x
    x = 6,124,078,373.96/89,738.20
  6. Step 6: Final answer
    x = 68,243.83

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1.5x scale

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.