Home / 87,735.92-131,657.88-40,993.52

Finding the Fourth Proportional to 87,735.92, 131,657.88 and 40,993.52

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Solution

The fourth proportional to 87,735.92, 131,657.88 and 40,993.52 is: 61,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,735.92 : 131,657.88 = 40,993.52 : x
  2. Step 2: Convert to fraction form
    87,735.92/131,657.88 = 40,993.52/x
  3. Step 3: Cross multiply
    87,735.92x = 131,657.88 × 40,993.52
  4. Step 4: Simplify right side
    87,735.92x = 5,397,119,936.94
  5. Step 5: Solve for x
    x = 5,397,119,936.94/87,735.92
  6. Step 6: Final answer
    x = 61,515.51

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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.