Home / 87,736.44-131,622.41-28,556.22

Finding the Fourth Proportional to 87,736.44, 131,622.41 and 28,556.22

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Solution

The fourth proportional to 87,736.44, 131,622.41 and 28,556.22 is: 42,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,736.44 : 131,622.41 = 28,556.22 : x
  2. Step 2: Convert to fraction form
    87,736.44/131,622.41 = 28,556.22/x
  3. Step 3: Cross multiply
    87,736.44x = 131,622.41 × 28,556.22
  4. Step 4: Simplify right side
    87,736.44x = 3,758,638,568.28
  5. Step 5: Solve for x
    x = 3,758,638,568.28/87,736.44
  6. Step 6: Final answer
    x = 42,840.11

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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.