Home / 89,289.44-123,218.92-48,452.68

Finding the Fourth Proportional to 89,289.44, 123,218.92 and 48,452.68

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Solution

The fourth proportional to 89,289.44, 123,218.92 and 48,452.68 is: 66,864.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,289.44 : 123,218.92 = 48,452.68 : x
  2. Step 2: Convert to fraction form
    89,289.44/123,218.92 = 48,452.68/x
  3. Step 3: Cross multiply
    89,289.44x = 123,218.92 × 48,452.68
  4. Step 4: Simplify right side
    89,289.44x = 5,970,287,115.30
  5. Step 5: Solve for x
    x = 5,970,287,115.30/89,289.44
  6. Step 6: Final answer
    x = 66,864.43

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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.