Home / 54,921.51-82,288.24-29,979.08

Finding the Fourth Proportional to 54,921.51, 82,288.24 and 29,979.08

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Solution

The fourth proportional to 54,921.51, 82,288.24 and 29,979.08 is: 44,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,921.51 : 82,288.24 = 29,979.08 : x
  2. Step 2: Convert to fraction form
    54,921.51/82,288.24 = 29,979.08/x
  3. Step 3: Cross multiply
    54,921.51x = 82,288.24 × 29,979.08
  4. Step 4: Simplify right side
    54,921.51x = 2,466,925,552.21
  5. Step 5: Solve for x
    x = 2,466,925,552.21/54,921.51
  6. Step 6: Final answer
    x = 44,917.29

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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.