Home / 54,134.57-74,705.20-29,936.60

Finding the Fourth Proportional to 54,134.57, 74,705.20 and 29,936.60

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Solution

The fourth proportional to 54,134.57, 74,705.20 and 29,936.60 is: 41,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,134.57 : 74,705.20 = 29,936.60 : x
  2. Step 2: Convert to fraction form
    54,134.57/74,705.20 = 29,936.60/x
  3. Step 3: Cross multiply
    54,134.57x = 74,705.20 × 29,936.60
  4. Step 4: Simplify right side
    54,134.57x = 2,236,419,241.95
  5. Step 5: Solve for x
    x = 2,236,419,241.95/54,134.57
  6. Step 6: Final answer
    x = 41,312.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.