Home / 54,135.90-81,202.96-16,185.26

Finding the Fourth Proportional to 54,135.90, 81,202.96 and 16,185.26

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Solution

The fourth proportional to 54,135.90, 81,202.96 and 16,185.26 is: 24,277.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,135.90 : 81,202.96 = 16,185.26 : x
  2. Step 2: Convert to fraction form
    54,135.90/81,202.96 = 16,185.26/x
  3. Step 3: Cross multiply
    54,135.90x = 81,202.96 × 16,185.26
  4. Step 4: Simplify right side
    54,135.90x = 1,314,290,969.70
  5. Step 5: Solve for x
    x = 1,314,290,969.70/54,135.90
  6. Step 6: Final answer
    x = 24,277.62

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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.