Home / 87,661.73-131,523.12-27,699.36

Finding the Fourth Proportional to 87,661.73, 131,523.12 and 27,699.36

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Solution

The fourth proportional to 87,661.73, 131,523.12 and 27,699.36 is: 41,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,661.73 : 131,523.12 = 27,699.36 : x
  2. Step 2: Convert to fraction form
    87,661.73/131,523.12 = 27,699.36/x
  3. Step 3: Cross multiply
    87,661.73x = 131,523.12 × 27,699.36
  4. Step 4: Simplify right side
    87,661.73x = 3,643,106,249.20
  5. Step 5: Solve for x
    x = 3,643,106,249.20/87,661.73
  6. Step 6: Final answer
    x = 41,558.69

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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.