Home / 82,519.96-113,439.66-70,992.76

Finding the Fourth Proportional to 82,519.96, 113,439.66 and 70,992.76

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Solution

The fourth proportional to 82,519.96, 113,439.66 and 70,992.76 is: 97,593.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,519.96 : 113,439.66 = 70,992.76 : x
  2. Step 2: Convert to fraction form
    82,519.96/113,439.66 = 70,992.76/x
  3. Step 3: Cross multiply
    82,519.96x = 113,439.66 × 70,992.76
  4. Step 4: Simplify right side
    82,519.96x = 8,053,394,556.86
  5. Step 5: Solve for x
    x = 8,053,394,556.86/82,519.96
  6. Step 6: Final answer
    x = 97,593.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.