Home / 67,057.28-100,604.76-19,673.50

Finding the Fourth Proportional to 67,057.28, 100,604.76 and 19,673.50

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Solution

The fourth proportional to 67,057.28, 100,604.76 and 19,673.50 is: 29,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,057.28 : 100,604.76 = 19,673.50 : x
  2. Step 2: Convert to fraction form
    67,057.28/100,604.76 = 19,673.50/x
  3. Step 3: Cross multiply
    67,057.28x = 100,604.76 × 19,673.50
  4. Step 4: Simplify right side
    67,057.28x = 1,979,247,745.86
  5. Step 5: Solve for x
    x = 1,979,247,745.86/67,057.28
  6. Step 6: Final answer
    x = 29,515.78

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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.