Home / 87,666.72-131,530.62-27,704.37

Finding the Fourth Proportional to 87,666.72, 131,530.62 and 27,704.37

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Solution

The fourth proportional to 87,666.72, 131,530.62 and 27,704.37 is: 41,566.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,666.72 : 131,530.62 = 27,704.37 : x
  2. Step 2: Convert to fraction form
    87,666.72/131,530.62 = 27,704.37/x
  3. Step 3: Cross multiply
    87,666.72x = 131,530.62 × 27,704.37
  4. Step 4: Simplify right side
    87,666.72x = 3,643,972,962.81
  5. Step 5: Solve for x
    x = 3,643,972,962.81/87,666.72
  6. Step 6: Final answer
    x = 41,566.21

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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.