Home / 87,021.22-130,467.98-27,822.82

Finding the Fourth Proportional to 87,021.22, 130,467.98 and 27,822.82

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Solution

The fourth proportional to 87,021.22, 130,467.98 and 27,822.82 is: 41,713.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,021.22 : 130,467.98 = 27,822.82 : x
  2. Step 2: Convert to fraction form
    87,021.22/130,467.98 = 27,822.82/x
  3. Step 3: Cross multiply
    87,021.22x = 130,467.98 × 27,822.82
  4. Step 4: Simplify right side
    87,021.22x = 3,629,987,123.30
  5. Step 5: Solve for x
    x = 3,629,987,123.30/87,021.22
  6. Step 6: Final answer
    x = 41,713.82

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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.