Home / 82,789.80-124,115.04-36,007.44

Finding the Fourth Proportional to 82,789.80, 124,115.04 and 36,007.44

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Solution

The fourth proportional to 82,789.80, 124,115.04 and 36,007.44 is: 53,980.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,789.80 : 124,115.04 = 36,007.44 : x
  2. Step 2: Convert to fraction form
    82,789.80/124,115.04 = 36,007.44/x
  3. Step 3: Cross multiply
    82,789.80x = 124,115.04 × 36,007.44
  4. Step 4: Simplify right side
    82,789.80x = 4,469,064,855.90
  5. Step 5: Solve for x
    x = 4,469,064,855.90/82,789.80
  6. Step 6: Final answer
    x = 53,980.86

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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.