Home / 68,849.57-103,274.36-22,135.25

Finding the Fourth Proportional to 68,849.57, 103,274.36 and 22,135.25

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Solution

The fourth proportional to 68,849.57, 103,274.36 and 22,135.25 is: 33,202.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,849.57 : 103,274.36 = 22,135.25 : x
  2. Step 2: Convert to fraction form
    68,849.57/103,274.36 = 22,135.25/x
  3. Step 3: Cross multiply
    68,849.57x = 103,274.36 × 22,135.25
  4. Step 4: Simplify right side
    68,849.57x = 2,286,003,150.14
  5. Step 5: Solve for x
    x = 2,286,003,150.14/68,849.57
  6. Step 6: Final answer
    x = 33,202.87

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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.