Home / 54,979.14-75,871.44-29,828.64

Finding the Fourth Proportional to 54,979.14, 75,871.44 and 29,828.64

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Solution

The fourth proportional to 54,979.14, 75,871.44 and 29,828.64 is: 41,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,979.14 : 75,871.44 = 29,828.64 : x
  2. Step 2: Convert to fraction form
    54,979.14/75,871.44 = 29,828.64/x
  3. Step 3: Cross multiply
    54,979.14x = 75,871.44 × 29,828.64
  4. Step 4: Simplify right side
    54,979.14x = 2,263,141,870.04
  5. Step 5: Solve for x
    x = 2,263,141,870.04/54,979.14
  6. Step 6: Final answer
    x = 41,163.65

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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.