Home / 68,193.28-102,229.68-26,611.20

Finding the Fourth Proportional to 68,193.28, 102,229.68 and 26,611.20

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Solution

The fourth proportional to 68,193.28, 102,229.68 and 26,611.20 is: 39,893.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,193.28 : 102,229.68 = 26,611.20 : x
  2. Step 2: Convert to fraction form
    68,193.28/102,229.68 = 26,611.20/x
  3. Step 3: Cross multiply
    68,193.28x = 102,229.68 × 26,611.20
  4. Step 4: Simplify right side
    68,193.28x = 2,720,454,460.42
  5. Step 5: Solve for x
    x = 2,720,454,460.42/68,193.28
  6. Step 6: Final answer
    x = 39,893.29

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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.