Home / 54,540.40-81,810.60-25,015.90

Finding the Fourth Proportional to 54,540.40, 81,810.60 and 25,015.90

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Solution

The fourth proportional to 54,540.40, 81,810.60 and 25,015.90 is: 37,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,540.40 : 81,810.60 = 25,015.90 : x
  2. Step 2: Convert to fraction form
    54,540.40/81,810.60 = 25,015.90/x
  3. Step 3: Cross multiply
    54,540.40x = 81,810.60 × 25,015.90
  4. Step 4: Simplify right side
    54,540.40x = 2,046,565,788.54
  5. Step 5: Solve for x
    x = 2,046,565,788.54/54,540.40
  6. Step 6: Final answer
    x = 37,523.85

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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.