Home / 54,255.66-81,285.07-40,059.30

Finding the Fourth Proportional to 54,255.66, 81,285.07 and 40,059.30

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Solution

The fourth proportional to 54,255.66, 81,285.07 and 40,059.30 is: 60,016.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,255.66 : 81,285.07 = 40,059.30 : x
  2. Step 2: Convert to fraction form
    54,255.66/81,285.07 = 40,059.30/x
  3. Step 3: Cross multiply
    54,255.66x = 81,285.07 × 40,059.30
  4. Step 4: Simplify right side
    54,255.66x = 3,256,222,448.00
  5. Step 5: Solve for x
    x = 3,256,222,448.00/54,255.66
  6. Step 6: Final answer
    x = 60,016.27

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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.