Home / 87,755.80-131,514.40-37,112.73

Finding the Fourth Proportional to 87,755.80, 131,514.40 and 37,112.73

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Solution

The fourth proportional to 87,755.80, 131,514.40 and 37,112.73 is: 55,618.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,755.80 : 131,514.40 = 37,112.73 : x
  2. Step 2: Convert to fraction form
    87,755.80/131,514.40 = 37,112.73/x
  3. Step 3: Cross multiply
    87,755.80x = 131,514.40 × 37,112.73
  4. Step 4: Simplify right side
    87,755.80x = 4,880,858,418.31
  5. Step 5: Solve for x
    x = 4,880,858,418.31/87,755.80
  6. Step 6: Final answer
    x = 55,618.64

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1.5x scale

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.