Home / 87,678.72-131,548.62-27,716.37

Finding the Fourth Proportional to 87,678.72, 131,548.62 and 27,716.37

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Solution

The fourth proportional to 87,678.72, 131,548.62 and 27,716.37 is: 41,584.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,678.72 : 131,548.62 = 27,716.37 : x
  2. Step 2: Convert to fraction form
    87,678.72/131,548.62 = 27,716.37/x
  3. Step 3: Cross multiply
    87,678.72x = 131,548.62 × 27,716.37
  4. Step 4: Simplify right side
    87,678.72x = 3,646,050,224.91
  5. Step 5: Solve for x
    x = 3,646,050,224.91/87,678.72
  6. Step 6: Final answer
    x = 41,584.21

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1.5x scale

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.