Home / 82,122.91-123,184.28-19,793.41

Finding the Fourth Proportional to 82,122.91, 123,184.28 and 19,793.41

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Solution

The fourth proportional to 82,122.91, 123,184.28 and 19,793.41 is: 29,690.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,122.91 : 123,184.28 = 19,793.41 : x
  2. Step 2: Convert to fraction form
    82,122.91/123,184.28 = 19,793.41/x
  3. Step 3: Cross multiply
    82,122.91x = 123,184.28 × 19,793.41
  4. Step 4: Simplify right side
    82,122.91x = 2,438,236,860.63
  5. Step 5: Solve for x
    x = 2,438,236,860.63/82,122.91
  6. Step 6: Final answer
    x = 29,690.09

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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.