Home / 68,839.36-94,821.30-48,661.54

Finding the Fourth Proportional to 68,839.36, 94,821.30 and 48,661.54

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Solution

The fourth proportional to 68,839.36, 94,821.30 and 48,661.54 is: 67,027.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,839.36 : 94,821.30 = 48,661.54 : x
  2. Step 2: Convert to fraction form
    68,839.36/94,821.30 = 48,661.54/x
  3. Step 3: Cross multiply
    68,839.36x = 94,821.30 × 48,661.54
  4. Step 4: Simplify right side
    68,839.36x = 4,614,150,245.75
  5. Step 5: Solve for x
    x = 4,614,150,245.75/68,839.36
  6. Step 6: Final answer
    x = 67,027.79

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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.