Home / 82,219.30-123,337.68-26,067.40

Finding the Fourth Proportional to 82,219.30, 123,337.68 and 26,067.40

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Solution

The fourth proportional to 82,219.30, 123,337.68 and 26,067.40 is: 39,103.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,219.30 : 123,337.68 = 26,067.40 : x
  2. Step 2: Convert to fraction form
    82,219.30/123,337.68 = 26,067.40/x
  3. Step 3: Cross multiply
    82,219.30x = 123,337.68 × 26,067.40
  4. Step 4: Simplify right side
    82,219.30x = 3,215,092,639.63
  5. Step 5: Solve for x
    x = 3,215,092,639.63/82,219.30
  6. Step 6: Final answer
    x = 39,103.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.