Home / 54,705.20-82,056.60-15,261.20

Finding the Fourth Proportional to 54,705.20, 82,056.60 and 15,261.20

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Solution

The fourth proportional to 54,705.20, 82,056.60 and 15,261.20 is: 22,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,705.20 : 82,056.60 = 15,261.20 : x
  2. Step 2: Convert to fraction form
    54,705.20/82,056.60 = 15,261.20/x
  3. Step 3: Cross multiply
    54,705.20x = 82,056.60 × 15,261.20
  4. Step 4: Simplify right side
    54,705.20x = 1,252,282,183.92
  5. Step 5: Solve for x
    x = 1,252,282,183.92/54,705.20
  6. Step 6: Final answer
    x = 22,891.47

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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.