Home / 54,025.27-74,542.83-31,351.06

Finding the Fourth Proportional to 54,025.27, 74,542.83 and 31,351.06

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Solution

The fourth proportional to 54,025.27, 74,542.83 and 31,351.06 is: 43,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,025.27 : 74,542.83 = 31,351.06 : x
  2. Step 2: Convert to fraction form
    54,025.27/74,542.83 = 31,351.06/x
  3. Step 3: Cross multiply
    54,025.27x = 74,542.83 × 31,351.06
  4. Step 4: Simplify right side
    54,025.27x = 2,336,996,735.90
  5. Step 5: Solve for x
    x = 2,336,996,735.90/54,025.27
  6. Step 6: Final answer
    x = 43,257.47

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1.5x scale

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.