Home / 82,249.59-123,379.26-26,088.66

Finding the Fourth Proportional to 82,249.59, 123,379.26 and 26,088.66

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Solution

The fourth proportional to 82,249.59, 123,379.26 and 26,088.66 is: 39,134.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,249.59 : 123,379.26 = 26,088.66 : x
  2. Step 2: Convert to fraction form
    82,249.59/123,379.26 = 26,088.66/x
  3. Step 3: Cross multiply
    82,249.59x = 123,379.26 × 26,088.66
  4. Step 4: Simplify right side
    82,249.59x = 3,218,799,565.19
  5. Step 5: Solve for x
    x = 3,218,799,565.19/82,249.59
  6. Step 6: Final answer
    x = 39,134.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.