Home / 87,268.59-120,431.41-49,028.90

Finding the Fourth Proportional to 87,268.59, 120,431.41 and 49,028.90

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Solution

The fourth proportional to 87,268.59, 120,431.41 and 49,028.90 is: 67,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,268.59 : 120,431.41 = 49,028.90 : x
  2. Step 2: Convert to fraction form
    87,268.59/120,431.41 = 49,028.90/x
  3. Step 3: Cross multiply
    87,268.59x = 120,431.41 × 49,028.90
  4. Step 4: Simplify right side
    87,268.59x = 5,904,618,833.02
  5. Step 5: Solve for x
    x = 5,904,618,833.02/87,268.59
  6. Step 6: Final answer
    x = 67,660.30

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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.