Home / 54,484.39-81,770.73-28,196.65

Finding the Fourth Proportional to 54,484.39, 81,770.73 and 28,196.65

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Solution

The fourth proportional to 54,484.39, 81,770.73 and 28,196.65 is: 42,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,484.39 : 81,770.73 = 28,196.65 : x
  2. Step 2: Convert to fraction form
    54,484.39/81,770.73 = 28,196.65/x
  3. Step 3: Cross multiply
    54,484.39x = 81,770.73 × 28,196.65
  4. Step 4: Simplify right side
    54,484.39x = 2,305,660,654.05
  5. Step 5: Solve for x
    x = 2,305,660,654.05/54,484.39
  6. Step 6: Final answer
    x = 42,317.82

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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.