Home / 68,089.32-102,135.18-23,716.90

Finding the Fourth Proportional to 68,089.32, 102,135.18 and 23,716.90

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Solution

The fourth proportional to 68,089.32, 102,135.18 and 23,716.90 is: 35,575.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,089.32 : 102,135.18 = 23,716.90 : x
  2. Step 2: Convert to fraction form
    68,089.32/102,135.18 = 23,716.90/x
  3. Step 3: Cross multiply
    68,089.32x = 102,135.18 × 23,716.90
  4. Step 4: Simplify right side
    68,089.32x = 2,422,329,850.54
  5. Step 5: Solve for x
    x = 2,422,329,850.54/68,089.32
  6. Step 6: Final answer
    x = 35,575.77

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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.