Home / 67,102.28-100,650.54-17,183.72

Finding the Fourth Proportional to 67,102.28, 100,650.54 and 17,183.72

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Solution

The fourth proportional to 67,102.28, 100,650.54 and 17,183.72 is: 25,774.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,102.28 : 100,650.54 = 17,183.72 : x
  2. Step 2: Convert to fraction form
    67,102.28/100,650.54 = 17,183.72/x
  3. Step 3: Cross multiply
    67,102.28x = 100,650.54 × 17,183.72
  4. Step 4: Simplify right side
    67,102.28x = 1,729,550,697.21
  5. Step 5: Solve for x
    x = 1,729,550,697.21/67,102.28
  6. Step 6: Final answer
    x = 25,774.84

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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.