Home / 87,493.54-131,261.22-28,329.28

Finding the Fourth Proportional to 87,493.54, 131,261.22 and 28,329.28

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Solution

The fourth proportional to 87,493.54, 131,261.22 and 28,329.28 is: 42,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,493.54 : 131,261.22 = 28,329.28 : x
  2. Step 2: Convert to fraction form
    87,493.54/131,261.22 = 28,329.28/x
  3. Step 3: Cross multiply
    87,493.54x = 131,261.22 × 28,329.28
  4. Step 4: Simplify right side
    87,493.54x = 3,718,535,854.52
  5. Step 5: Solve for x
    x = 3,718,535,854.52/87,493.54
  6. Step 6: Final answer
    x = 42,500.69

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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.