Home / 54,540.05-81,805.75-19,476.05

Finding the Fourth Proportional to 54,540.05, 81,805.75 and 19,476.05

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Solution

The fourth proportional to 54,540.05, 81,805.75 and 19,476.05 is: 29,212.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,540.05 : 81,805.75 = 19,476.05 : x
  2. Step 2: Convert to fraction form
    54,540.05/81,805.75 = 19,476.05/x
  3. Step 3: Cross multiply
    54,540.05x = 81,805.75 × 19,476.05
  4. Step 4: Simplify right side
    54,540.05x = 1,593,252,877.29
  5. Step 5: Solve for x
    x = 1,593,252,877.29/54,540.05
  6. Step 6: Final answer
    x = 29,212.53

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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.