Home / 54,268.32-81,405.56-16,833.72

Finding the Fourth Proportional to 54,268.32, 81,405.56 and 16,833.72

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Solution

The fourth proportional to 54,268.32, 81,405.56 and 16,833.72 is: 25,251.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,268.32 : 81,405.56 = 16,833.72 : x
  2. Step 2: Convert to fraction form
    54,268.32/81,405.56 = 16,833.72/x
  3. Step 3: Cross multiply
    54,268.32x = 81,405.56 × 16,833.72
  4. Step 4: Simplify right side
    54,268.32x = 1,370,358,403.48
  5. Step 5: Solve for x
    x = 1,370,358,403.48/54,268.32
  6. Step 6: Final answer
    x = 25,251.54

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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.