Home / 68,584.14-102,884.31-29,119.32

Finding the Fourth Proportional to 68,584.14, 102,884.31 and 29,119.32

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Solution

The fourth proportional to 68,584.14, 102,884.31 and 29,119.32 is: 43,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,584.14 : 102,884.31 = 29,119.32 : x
  2. Step 2: Convert to fraction form
    68,584.14/102,884.31 = 29,119.32/x
  3. Step 3: Cross multiply
    68,584.14x = 102,884.31 × 29,119.32
  4. Step 4: Simplify right side
    68,584.14x = 2,995,921,145.87
  5. Step 5: Solve for x
    x = 2,995,921,145.87/68,584.14
  6. Step 6: Final answer
    x = 43,682.42

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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.