Home / 54,725.88-82,125.66-21,441.78

Finding the Fourth Proportional to 54,725.88, 82,125.66 and 21,441.78

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Solution

The fourth proportional to 54,725.88, 82,125.66 and 21,441.78 is: 32,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,725.88 : 82,125.66 = 21,441.78 : x
  2. Step 2: Convert to fraction form
    54,725.88/82,125.66 = 21,441.78/x
  3. Step 3: Cross multiply
    54,725.88x = 82,125.66 × 21,441.78
  4. Step 4: Simplify right side
    54,725.88x = 1,760,920,334.07
  5. Step 5: Solve for x
    x = 1,760,920,334.07/54,725.88
  6. Step 6: Final answer
    x = 32,177.10

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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.