Home / 87,949.95-131,914.80-25,620.45

Finding the Fourth Proportional to 87,949.95, 131,914.80 and 25,620.45

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Solution

The fourth proportional to 87,949.95, 131,914.80 and 25,620.45 is: 38,427.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,949.95 : 131,914.80 = 25,620.45 : x
  2. Step 2: Convert to fraction form
    87,949.95/131,914.80 = 25,620.45/x
  3. Step 3: Cross multiply
    87,949.95x = 131,914.80 × 25,620.45
  4. Step 4: Simplify right side
    87,949.95x = 3,379,716,537.66
  5. Step 5: Solve for x
    x = 3,379,716,537.66/87,949.95
  6. Step 6: Final answer
    x = 38,427.73

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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.