Home / 87,284.25-120,452.27-47,540.25

Finding the Fourth Proportional to 87,284.25, 120,452.27 and 47,540.25

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Solution

The fourth proportional to 87,284.25, 120,452.27 and 47,540.25 is: 65,605.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,284.25 : 120,452.27 = 47,540.25 : x
  2. Step 2: Convert to fraction form
    87,284.25/120,452.27 = 47,540.25/x
  3. Step 3: Cross multiply
    87,284.25x = 120,452.27 × 47,540.25
  4. Step 4: Simplify right side
    87,284.25x = 5,726,330,791.17
  5. Step 5: Solve for x
    x = 5,726,330,791.17/87,284.25
  6. Step 6: Final answer
    x = 65,605.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.