Home / 54,111.88-74,769.78-41,644.36

Finding the Fourth Proportional to 54,111.88, 74,769.78 and 41,644.36

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Solution

The fourth proportional to 54,111.88, 74,769.78 and 41,644.36 is: 57,542.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,111.88 : 74,769.78 = 41,644.36 : x
  2. Step 2: Convert to fraction form
    54,111.88/74,769.78 = 41,644.36/x
  3. Step 3: Cross multiply
    54,111.88x = 74,769.78 × 41,644.36
  4. Step 4: Simplify right side
    54,111.88x = 3,113,739,635.44
  5. Step 5: Solve for x
    x = 3,113,739,635.44/54,111.88
  6. Step 6: Final answer
    x = 57,542.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.