Home / 54,014.25-81,021.13-14,575.29

Finding the Fourth Proportional to 54,014.25, 81,021.13 and 14,575.29

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Solution

The fourth proportional to 54,014.25, 81,021.13 and 14,575.29 is: 21,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,014.25 : 81,021.13 = 14,575.29 : x
  2. Step 2: Convert to fraction form
    54,014.25/81,021.13 = 14,575.29/x
  3. Step 3: Cross multiply
    54,014.25x = 81,021.13 × 14,575.29
  4. Step 4: Simplify right side
    54,014.25x = 1,180,906,465.88
  5. Step 5: Solve for x
    x = 1,180,906,465.88/54,014.25
  6. Step 6: Final answer
    x = 21,862.87

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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.