Home / 89,505.24-123,514.62-49,218.96

Finding the Fourth Proportional to 89,505.24, 123,514.62 and 49,218.96

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Solution

The fourth proportional to 89,505.24, 123,514.62 and 49,218.96 is: 67,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,505.24 : 123,514.62 = 49,218.96 : x
  2. Step 2: Convert to fraction form
    89,505.24/123,514.62 = 49,218.96/x
  3. Step 3: Cross multiply
    89,505.24x = 123,514.62 × 49,218.96
  4. Step 4: Simplify right side
    89,505.24x = 6,079,261,141.20
  5. Step 5: Solve for x
    x = 6,079,261,141.20/89,505.24
  6. Step 6: Final answer
    x = 67,920.73

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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.