Home / 67,965.57-101,936.52-18,048.20

Finding the Fourth Proportional to 67,965.57, 101,936.52 and 18,048.20

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Solution

The fourth proportional to 67,965.57, 101,936.52 and 18,048.20 is: 27,069.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,965.57 : 101,936.52 = 18,048.20 : x
  2. Step 2: Convert to fraction form
    67,965.57/101,936.52 = 18,048.20/x
  3. Step 3: Cross multiply
    67,965.57x = 101,936.52 × 18,048.20
  4. Step 4: Simplify right side
    67,965.57x = 1,839,770,190.58
  5. Step 5: Solve for x
    x = 1,839,770,190.58/67,965.57
  6. Step 6: Final answer
    x = 27,069.15

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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.