Home / 68,042.32-102,072.42-23,672.44

Finding the Fourth Proportional to 68,042.32, 102,072.42 and 23,672.44

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Solution

The fourth proportional to 68,042.32, 102,072.42 and 23,672.44 is: 35,511.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,042.32 : 102,072.42 = 23,672.44 : x
  2. Step 2: Convert to fraction form
    68,042.32/102,072.42 = 23,672.44/x
  3. Step 3: Cross multiply
    68,042.32x = 102,072.42 × 23,672.44
  4. Step 4: Simplify right side
    68,042.32x = 2,416,303,238.10
  5. Step 5: Solve for x
    x = 2,416,303,238.10/68,042.32
  6. Step 6: Final answer
    x = 35,511.77

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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.