Home / 67,560.57-101,355.36-20,179.41

Finding the Fourth Proportional to 67,560.57, 101,355.36 and 20,179.41

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Solution

The fourth proportional to 67,560.57, 101,355.36 and 20,179.41 is: 30,273.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,560.57 : 101,355.36 = 20,179.41 : x
  2. Step 2: Convert to fraction form
    67,560.57/101,355.36 = 20,179.41/x
  3. Step 3: Cross multiply
    67,560.57x = 101,355.36 × 20,179.41
  4. Step 4: Simplify right side
    67,560.57x = 2,045,291,365.14
  5. Step 5: Solve for x
    x = 2,045,291,365.14/67,560.57
  6. Step 6: Final answer
    x = 30,273.45

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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.