Home / 54,725.20-82,152.60-54,336.40

Finding the Fourth Proportional to 54,725.20, 82,152.60 and 54,336.40

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Solution

The fourth proportional to 54,725.20, 82,152.60 and 54,336.40 is: 81,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,725.20 : 82,152.60 = 54,336.40 : x
  2. Step 2: Convert to fraction form
    54,725.20/82,152.60 = 54,336.40/x
  3. Step 3: Cross multiply
    54,725.20x = 82,152.60 × 54,336.40
  4. Step 4: Simplify right side
    54,725.20x = 4,463,876,534.64
  5. Step 5: Solve for x
    x = 4,463,876,534.64/54,725.20
  6. Step 6: Final answer
    x = 81,568.94

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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.