Home / 88,115.20-132,144.88-28,937.12

Finding the Fourth Proportional to 88,115.20, 132,144.88 and 28,937.12

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Solution

The fourth proportional to 88,115.20, 132,144.88 and 28,937.12 is: 43,396.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,115.20 : 132,144.88 = 28,937.12 : x
  2. Step 2: Convert to fraction form
    88,115.20/132,144.88 = 28,937.12/x
  3. Step 3: Cross multiply
    88,115.20x = 132,144.88 × 28,937.12
  4. Step 4: Simplify right side
    88,115.20x = 3,823,892,249.95
  5. Step 5: Solve for x
    x = 3,823,892,249.95/88,115.20
  6. Step 6: Final answer
    x = 43,396.51

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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.