Home / 82,425.80-123,584.08-29,828.44

Finding the Fourth Proportional to 82,425.80, 123,584.08 and 29,828.44

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Solution

The fourth proportional to 82,425.80, 123,584.08 and 29,828.44 is: 44,722.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,425.80 : 123,584.08 = 29,828.44 : x
  2. Step 2: Convert to fraction form
    82,425.80/123,584.08 = 29,828.44/x
  3. Step 3: Cross multiply
    82,425.80x = 123,584.08 × 29,828.44
  4. Step 4: Simplify right side
    82,425.80x = 3,686,320,315.24
  5. Step 5: Solve for x
    x = 3,686,320,315.24/82,425.80
  6. Step 6: Final answer
    x = 44,722.89

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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.