Home / 67,405.14-100,972.38-33,569.22

Finding the Fourth Proportional to 67,405.14, 100,972.38 and 33,569.22

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Solution

The fourth proportional to 67,405.14, 100,972.38 and 33,569.22 is: 50,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,405.14 : 100,972.38 = 33,569.22 : x
  2. Step 2: Convert to fraction form
    67,405.14/100,972.38 = 33,569.22/x
  3. Step 3: Cross multiply
    67,405.14x = 100,972.38 × 33,569.22
  4. Step 4: Simplify right side
    67,405.14x = 3,389,564,038.14
  5. Step 5: Solve for x
    x = 3,389,564,038.14/67,405.14
  6. Step 6: Final answer
    x = 50,286.43

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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.