Home / 87,536.80-131,305.20-25,213.60

Finding the Fourth Proportional to 87,536.80, 131,305.20 and 25,213.60

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Solution

The fourth proportional to 87,536.80, 131,305.20 and 25,213.60 is: 37,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,536.80 : 131,305.20 = 25,213.60 : x
  2. Step 2: Convert to fraction form
    87,536.80/131,305.20 = 25,213.60/x
  3. Step 3: Cross multiply
    87,536.80x = 131,305.20 × 25,213.60
  4. Step 4: Simplify right side
    87,536.80x = 3,310,676,790.72
  5. Step 5: Solve for x
    x = 3,310,676,790.72/87,536.80
  6. Step 6: Final answer
    x = 37,820.40

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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.