Home / 54,811.26-82,216.62-13,258.26

Finding the Fourth Proportional to 54,811.26, 82,216.62 and 13,258.26

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Solution

The fourth proportional to 54,811.26, 82,216.62 and 13,258.26 is: 19,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,811.26 : 82,216.62 = 13,258.26 : x
  2. Step 2: Convert to fraction form
    54,811.26/82,216.62 = 13,258.26/x
  3. Step 3: Cross multiply
    54,811.26x = 82,216.62 × 13,258.26
  4. Step 4: Simplify right side
    54,811.26x = 1,090,049,324.28
  5. Step 5: Solve for x
    x = 1,090,049,324.28/54,811.26
  6. Step 6: Final answer
    x = 19,887.32

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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.