Home / 54,727.20-81,961.20-37,101.60

Finding the Fourth Proportional to 54,727.20, 81,961.20 and 37,101.60

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Solution

The fourth proportional to 54,727.20, 81,961.20 and 37,101.60 is: 55,564.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,727.20 : 81,961.20 = 37,101.60 : x
  2. Step 2: Convert to fraction form
    54,727.20/81,961.20 = 37,101.60/x
  3. Step 3: Cross multiply
    54,727.20x = 81,961.20 × 37,101.60
  4. Step 4: Simplify right side
    54,727.20x = 3,040,891,657.92
  5. Step 5: Solve for x
    x = 3,040,891,657.92/54,727.20
  6. Step 6: Final answer
    x = 55,564.54

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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.