Home / 87,342.37-131,013.58-27,375.50

Finding the Fourth Proportional to 87,342.37, 131,013.58 and 27,375.50

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Solution

The fourth proportional to 87,342.37, 131,013.58 and 27,375.50 is: 41,063.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,342.37 : 131,013.58 = 27,375.50 : x
  2. Step 2: Convert to fraction form
    87,342.37/131,013.58 = 27,375.50/x
  3. Step 3: Cross multiply
    87,342.37x = 131,013.58 × 27,375.50
  4. Step 4: Simplify right side
    87,342.37x = 3,586,562,129.74
  5. Step 5: Solve for x
    x = 3,586,562,129.74/87,342.37
  6. Step 6: Final answer
    x = 41,063.26

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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.