Home / 54,871.08-75,721.62-29,720.58

Finding the Fourth Proportional to 54,871.08, 75,721.62 and 29,720.58

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Solution

The fourth proportional to 54,871.08, 75,721.62 and 29,720.58 is: 41,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,871.08 : 75,721.62 = 29,720.58 : x
  2. Step 2: Convert to fraction form
    54,871.08/75,721.62 = 29,720.58/x
  3. Step 3: Cross multiply
    54,871.08x = 75,721.62 × 29,720.58
  4. Step 4: Simplify right side
    54,871.08x = 2,250,490,464.94
  5. Step 5: Solve for x
    x = 2,250,490,464.94/54,871.08
  6. Step 6: Final answer
    x = 41,014.15

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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.