Home / 67,206.03-100,825.65-27,774.42

Finding the Fourth Proportional to 67,206.03, 100,825.65 and 27,774.42

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Solution

The fourth proportional to 67,206.03, 100,825.65 and 27,774.42 is: 41,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,206.03 : 100,825.65 = 27,774.42 : x
  2. Step 2: Convert to fraction form
    67,206.03/100,825.65 = 27,774.42/x
  3. Step 3: Cross multiply
    67,206.03x = 100,825.65 × 27,774.42
  4. Step 4: Simplify right side
    67,206.03x = 2,800,373,949.87
  5. Step 5: Solve for x
    x = 2,800,373,949.87/67,206.03
  6. Step 6: Final answer
    x = 41,668.49

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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.