Home / 87,755.22-131,642.10-28,595.52

Finding the Fourth Proportional to 87,755.22, 131,642.10 and 28,595.52

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Solution

The fourth proportional to 87,755.22, 131,642.10 and 28,595.52 is: 42,896.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,755.22 : 131,642.10 = 28,595.52 : x
  2. Step 2: Convert to fraction form
    87,755.22/131,642.10 = 28,595.52/x
  3. Step 3: Cross multiply
    87,755.22x = 131,642.10 × 28,595.52
  4. Step 4: Simplify right side
    87,755.22x = 3,764,374,303.39
  5. Step 5: Solve for x
    x = 3,764,374,303.39/87,755.22
  6. Step 6: Final answer
    x = 42,896.30

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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.