Home / 54,195.20-81,292.80-50,258.60

Finding the Fourth Proportional to 54,195.20, 81,292.80 and 50,258.60

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Solution

The fourth proportional to 54,195.20, 81,292.80 and 50,258.60 is: 75,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,195.20 : 81,292.80 = 50,258.60 : x
  2. Step 2: Convert to fraction form
    54,195.20/81,292.80 = 50,258.60/x
  3. Step 3: Cross multiply
    54,195.20x = 81,292.80 × 50,258.60
  4. Step 4: Simplify right side
    54,195.20x = 4,085,662,318.08
  5. Step 5: Solve for x
    x = 4,085,662,318.08/54,195.20
  6. Step 6: Final answer
    x = 75,387.90

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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.