Home / 54,054.36-81,118.46-18,994.02

Finding the Fourth Proportional to 54,054.36, 81,118.46 and 18,994.02

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Solution

The fourth proportional to 54,054.36, 81,118.46 and 18,994.02 is: 28,504.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,054.36 : 81,118.46 = 18,994.02 : x
  2. Step 2: Convert to fraction form
    54,054.36/81,118.46 = 18,994.02/x
  3. Step 3: Cross multiply
    54,054.36x = 81,118.46 × 18,994.02
  4. Step 4: Simplify right side
    54,054.36x = 1,540,765,556.64
  5. Step 5: Solve for x
    x = 1,540,765,556.64/54,054.36
  6. Step 6: Final answer
    x = 28,504.00

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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.