Home / 87,940.54-131,914.50-25,611.04

Finding the Fourth Proportional to 87,940.54, 131,914.50 and 25,611.04

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Solution

The fourth proportional to 87,940.54, 131,914.50 and 25,611.04 is: 38,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,940.54 : 131,914.50 = 25,611.04 : x
  2. Step 2: Convert to fraction form
    87,940.54/131,914.50 = 25,611.04/x
  3. Step 3: Cross multiply
    87,940.54x = 131,914.50 × 25,611.04
  4. Step 4: Simplify right side
    87,940.54x = 3,378,467,536.08
  5. Step 5: Solve for x
    x = 3,378,467,536.08/87,940.54
  6. Step 6: Final answer
    x = 38,417.63

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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.