Home / 54,107.51-81,179.72-29,150.12

Finding the Fourth Proportional to 54,107.51, 81,179.72 and 29,150.12

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Solution

The fourth proportional to 54,107.51, 81,179.72 and 29,150.12 is: 43,735.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,107.51 : 81,179.72 = 29,150.12 : x
  2. Step 2: Convert to fraction form
    54,107.51/81,179.72 = 29,150.12/x
  3. Step 3: Cross multiply
    54,107.51x = 81,179.72 × 29,150.12
  4. Step 4: Simplify right side
    54,107.51x = 2,366,398,579.57
  5. Step 5: Solve for x
    x = 2,366,398,579.57/54,107.51
  6. Step 6: Final answer
    x = 43,735.12

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1.5x scale

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.