Home / 68,955.38-103,433.07-22,208.25

Finding the Fourth Proportional to 68,955.38, 103,433.07 and 22,208.25

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Solution

The fourth proportional to 68,955.38, 103,433.07 and 22,208.25 is: 33,312.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,955.38 : 103,433.07 = 22,208.25 : x
  2. Step 2: Convert to fraction form
    68,955.38/103,433.07 = 22,208.25/x
  3. Step 3: Cross multiply
    68,955.38x = 103,433.07 × 22,208.25
  4. Step 4: Simplify right side
    68,955.38x = 2,297,067,435.19
  5. Step 5: Solve for x
    x = 2,297,067,435.19/68,955.38
  6. Step 6: Final answer
    x = 33,312.38

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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.