Home / 54,741.76-82,120.23-19,194.84

Finding the Fourth Proportional to 54,741.76, 82,120.23 and 19,194.84

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Solution

The fourth proportional to 54,741.76, 82,120.23 and 19,194.84 is: 28,794.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,741.76 : 82,120.23 = 19,194.84 : x
  2. Step 2: Convert to fraction form
    54,741.76/82,120.23 = 19,194.84/x
  3. Step 3: Cross multiply
    54,741.76x = 82,120.23 × 19,194.84
  4. Step 4: Simplify right side
    54,741.76x = 1,576,284,675.61
  5. Step 5: Solve for x
    x = 1,576,284,675.61/54,741.76
  6. Step 6: Final answer
    x = 28,794.92

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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.