Home / 79,795.26-119,339.94-70,972.50

Finding the Fourth Proportional to 79,795.26, 119,339.94 and 70,972.50

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Solution

The fourth proportional to 79,795.26, 119,339.94 and 70,972.50 is: 106,144.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,795.26 : 119,339.94 = 70,972.50 : x
  2. Step 2: Convert to fraction form
    79,795.26/119,339.94 = 70,972.50/x
  3. Step 3: Cross multiply
    79,795.26x = 119,339.94 × 70,972.50
  4. Step 4: Simplify right side
    79,795.26x = 8,469,853,891.65
  5. Step 5: Solve for x
    x = 8,469,853,891.65/79,795.26
  6. Step 6: Final answer
    x = 106,144.82

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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.