Home / 54,649.94-81,913.37-27,921.15

Finding the Fourth Proportional to 54,649.94, 81,913.37 and 27,921.15

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Solution

The fourth proportional to 54,649.94, 81,913.37 and 27,921.15 is: 41,850.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,649.94 : 81,913.37 = 27,921.15 : x
  2. Step 2: Convert to fraction form
    54,649.94/81,913.37 = 27,921.15/x
  3. Step 3: Cross multiply
    54,649.94x = 81,913.37 × 27,921.15
  4. Step 4: Simplify right side
    54,649.94x = 2,287,115,351.17
  5. Step 5: Solve for x
    x = 2,287,115,351.17/54,649.94
  6. Step 6: Final answer
    x = 41,850.28

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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.