Home / 54,560.82-81,842.76-15,120.84

Finding the Fourth Proportional to 54,560.82, 81,842.76 and 15,120.84

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Solution

The fourth proportional to 54,560.82, 81,842.76 and 15,120.84 is: 22,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,560.82 : 81,842.76 = 15,120.84 : x
  2. Step 2: Convert to fraction form
    54,560.82/81,842.76 = 15,120.84/x
  3. Step 3: Cross multiply
    54,560.82x = 81,842.76 × 15,120.84
  4. Step 4: Simplify right side
    54,560.82x = 1,237,531,279.12
  5. Step 5: Solve for x
    x = 1,237,531,279.12/54,560.82
  6. Step 6: Final answer
    x = 22,681.68

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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.