Home / 68,122.26-102,137.49-34,815.06

Finding the Fourth Proportional to 68,122.26, 102,137.49 and 34,815.06

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Solution

The fourth proportional to 68,122.26, 102,137.49 and 34,815.06 is: 52,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,122.26 : 102,137.49 = 34,815.06 : x
  2. Step 2: Convert to fraction form
    68,122.26/102,137.49 = 34,815.06/x
  3. Step 3: Cross multiply
    68,122.26x = 102,137.49 × 34,815.06
  4. Step 4: Simplify right side
    68,122.26x = 3,555,922,842.60
  5. Step 5: Solve for x
    x = 3,555,922,842.60/68,122.26
  6. Step 6: Final answer
    x = 52,199.13

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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.