Home / 68,825.38-103,228.34-22,072.18

Finding the Fourth Proportional to 68,825.38, 103,228.34 and 22,072.18

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Solution

The fourth proportional to 68,825.38, 103,228.34 and 22,072.18 is: 33,105.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,825.38 : 103,228.34 = 22,072.18 : x
  2. Step 2: Convert to fraction form
    68,825.38/103,228.34 = 22,072.18/x
  3. Step 3: Cross multiply
    68,825.38x = 103,228.34 × 22,072.18
  4. Step 4: Simplify right side
    68,825.38x = 2,278,474,501.58
  5. Step 5: Solve for x
    x = 2,278,474,501.58/68,825.38
  6. Step 6: Final answer
    x = 33,105.15

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1.5x scale

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.