Home / 82,242.11-113,512.11-52,067.66

Finding the Fourth Proportional to 82,242.11, 113,512.11 and 52,067.66

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Solution

The fourth proportional to 82,242.11, 113,512.11 and 52,067.66 is: 71,864.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,242.11 : 113,512.11 = 52,067.66 : x
  2. Step 2: Convert to fraction form
    82,242.11/113,512.11 = 52,067.66/x
  3. Step 3: Cross multiply
    82,242.11x = 113,512.11 × 52,067.66
  4. Step 4: Simplify right side
    82,242.11x = 5,910,310,037.89
  5. Step 5: Solve for x
    x = 5,910,310,037.89/82,242.11
  6. Step 6: Final answer
    x = 71,864.77

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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.