Home / 54,145.62-81,217.49-22,572.63

Finding the Fourth Proportional to 54,145.62, 81,217.49 and 22,572.63

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Solution

The fourth proportional to 54,145.62, 81,217.49 and 22,572.63 is: 33,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,145.62 : 81,217.49 = 22,572.63 : x
  2. Step 2: Convert to fraction form
    54,145.62/81,217.49 = 22,572.63/x
  3. Step 3: Cross multiply
    54,145.62x = 81,217.49 × 22,572.63
  4. Step 4: Simplify right side
    54,145.62x = 1,833,292,238.44
  5. Step 5: Solve for x
    x = 1,833,292,238.44/54,145.62
  6. Step 6: Final answer
    x = 33,858.55

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Double scale
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Similar ratio
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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.