Home / 107,940.14-161,910.20-29,052.31

Finding the Fourth Proportional to 107,940.14, 161,910.20 and 29,052.31

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Solution

The fourth proportional to 107,940.14, 161,910.20 and 29,052.31 is: 43,578.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,940.14 : 161,910.20 = 29,052.31 : x
  2. Step 2: Convert to fraction form
    107,940.14/161,910.20 = 29,052.31/x
  3. Step 3: Cross multiply
    107,940.14x = 161,910.20 × 29,052.31
  4. Step 4: Simplify right side
    107,940.14x = 4,703,865,322.56
  5. Step 5: Solve for x
    x = 4,703,865,322.56/107,940.14
  6. Step 6: Final answer
    x = 43,578.46

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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.