Home / 87,947.82-131,960.61-35,343.18

Finding the Fourth Proportional to 87,947.82, 131,960.61 and 35,343.18

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Solution

The fourth proportional to 87,947.82, 131,960.61 and 35,343.18 is: 53,030.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,947.82 : 131,960.61 = 35,343.18 : x
  2. Step 2: Convert to fraction form
    87,947.82/131,960.61 = 35,343.18/x
  3. Step 3: Cross multiply
    87,947.82x = 131,960.61 × 35,343.18
  4. Step 4: Simplify right side
    87,947.82x = 4,663,907,592.14
  5. Step 5: Solve for x
    x = 4,663,907,592.14/87,947.82
  6. Step 6: Final answer
    x = 53,030.39

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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.