Home / 54,871.84-75,723.30-29,721.34

Finding the Fourth Proportional to 54,871.84, 75,723.30 and 29,721.34

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Solution

The fourth proportional to 54,871.84, 75,723.30 and 29,721.34 is: 41,015.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,871.84 : 75,723.30 = 29,721.34 : x
  2. Step 2: Convert to fraction form
    54,871.84/75,723.30 = 29,721.34/x
  3. Step 3: Cross multiply
    54,871.84x = 75,723.30 × 29,721.34
  4. Step 4: Simplify right side
    54,871.84x = 2,250,597,945.22
  5. Step 5: Solve for x
    x = 2,250,597,945.22/54,871.84
  6. Step 6: Final answer
    x = 41,015.54

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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.