Home / 87,941.04-131,915.25-25,611.54

Finding the Fourth Proportional to 87,941.04, 131,915.25 and 25,611.54

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Solution

The fourth proportional to 87,941.04, 131,915.25 and 25,611.54 is: 38,418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,941.04 : 131,915.25 = 25,611.54 : x
  2. Step 2: Convert to fraction form
    87,941.04/131,915.25 = 25,611.54/x
  3. Step 3: Cross multiply
    87,941.04x = 131,915.25 × 25,611.54
  4. Step 4: Simplify right side
    87,941.04x = 3,378,552,701.99
  5. Step 5: Solve for x
    x = 3,378,552,701.99/87,941.04
  6. Step 6: Final answer
    x = 38,418.38

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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.