Home / 87,863.67-121,251.68-47,577.54

Finding the Fourth Proportional to 87,863.67, 121,251.68 and 47,577.54

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Solution

The fourth proportional to 87,863.67, 121,251.68 and 47,577.54 is: 65,656.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,863.67 : 121,251.68 = 47,577.54 : x
  2. Step 2: Convert to fraction form
    87,863.67/121,251.68 = 47,577.54/x
  3. Step 3: Cross multiply
    87,863.67x = 121,251.68 × 47,577.54
  4. Step 4: Simplify right side
    87,863.67x = 5,768,857,318.11
  5. Step 5: Solve for x
    x = 5,768,857,318.11/87,863.67
  6. Step 6: Final answer
    x = 65,656.91

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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.