Home / 82,194.12-123,584.58-75,698.70

Finding the Fourth Proportional to 82,194.12, 123,584.58 and 75,698.70

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Solution

The fourth proportional to 82,194.12, 123,584.58 and 75,698.70 is: 113,818.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,194.12 : 123,584.58 = 75,698.70 : x
  2. Step 2: Convert to fraction form
    82,194.12/123,584.58 = 75,698.70/x
  3. Step 3: Cross multiply
    82,194.12x = 123,584.58 × 75,698.70
  4. Step 4: Simplify right side
    82,194.12x = 9,355,192,046.05
  5. Step 5: Solve for x
    x = 9,355,192,046.05/82,194.12
  6. Step 6: Final answer
    x = 113,818.26

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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.