Home / 89,043.39-122,879.97-48,757.41

Finding the Fourth Proportional to 89,043.39, 122,879.97 and 48,757.41

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Solution

The fourth proportional to 89,043.39, 122,879.97 and 48,757.41 is: 67,285.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,043.39 : 122,879.97 = 48,757.41 : x
  2. Step 2: Convert to fraction form
    89,043.39/122,879.97 = 48,757.41/x
  3. Step 3: Cross multiply
    89,043.39x = 122,879.97 × 48,757.41
  4. Step 4: Simplify right side
    89,043.39x = 5,991,309,078.08
  5. Step 5: Solve for x
    x = 5,991,309,078.08/89,043.39
  6. Step 6: Final answer
    x = 67,285.28

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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.