Home / 82,283.13-123,418.53-29,692.61

Finding the Fourth Proportional to 82,283.13, 123,418.53 and 29,692.61

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Solution

The fourth proportional to 82,283.13, 123,418.53 and 29,692.61 is: 44,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,283.13 : 123,418.53 = 29,692.61 : x
  2. Step 2: Convert to fraction form
    82,283.13/123,418.53 = 29,692.61/x
  3. Step 3: Cross multiply
    82,283.13x = 123,418.53 × 29,692.61
  4. Step 4: Simplify right side
    82,283.13x = 3,664,618,235.14
  5. Step 5: Solve for x
    x = 3,664,618,235.14/82,283.13
  6. Step 6: Final answer
    x = 44,536.69

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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.