Home / 89,738.48-123,839.08-49,452.12

Finding the Fourth Proportional to 89,738.48, 123,839.08 and 49,452.12

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Solution

The fourth proportional to 89,738.48, 123,839.08 and 49,452.12 is: 68,243.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,738.48 : 123,839.08 = 49,452.12 : x
  2. Step 2: Convert to fraction form
    89,738.48/123,839.08 = 49,452.12/x
  3. Step 3: Cross multiply
    89,738.48x = 123,839.08 × 49,452.12
  4. Step 4: Simplify right side
    89,738.48x = 6,124,104,921.22
  5. Step 5: Solve for x
    x = 6,124,104,921.22/89,738.48
  6. Step 6: Final answer
    x = 68,243.91

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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.