Home / 82,489.84-123,733.20-26,329.52

Finding the Fourth Proportional to 82,489.84, 123,733.20 and 26,329.52

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Solution

The fourth proportional to 82,489.84, 123,733.20 and 26,329.52 is: 39,493.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,489.84 : 123,733.20 = 26,329.52 : x
  2. Step 2: Convert to fraction form
    82,489.84/123,733.20 = 26,329.52/x
  3. Step 3: Cross multiply
    82,489.84x = 123,733.20 × 26,329.52
  4. Step 4: Simplify right side
    82,489.84x = 3,257,835,764.06
  5. Step 5: Solve for x
    x = 3,257,835,764.06/82,489.84
  6. Step 6: Final answer
    x = 39,493.78

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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.