Home / 54,594.81-81,728.19-48,891.60

Finding the Fourth Proportional to 54,594.81, 81,728.19 and 48,891.60

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Solution

The fourth proportional to 54,594.81, 81,728.19 and 48,891.60 is: 73,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,594.81 : 81,728.19 = 48,891.60 : x
  2. Step 2: Convert to fraction form
    54,594.81/81,728.19 = 48,891.60/x
  3. Step 3: Cross multiply
    54,594.81x = 81,728.19 × 48,891.60
  4. Step 4: Simplify right side
    54,594.81x = 3,995,821,974.20
  5. Step 5: Solve for x
    x = 3,995,821,974.20/54,594.81
  6. Step 6: Final answer
    x = 73,190.51

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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.