Home / 54,092.92-81,147.12-16,656.16

Finding the Fourth Proportional to 54,092.92, 81,147.12 and 16,656.16

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Solution

The fourth proportional to 54,092.92, 81,147.12 and 16,656.16 is: 24,986.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,092.92 : 81,147.12 = 16,656.16 : x
  2. Step 2: Convert to fraction form
    54,092.92/81,147.12 = 16,656.16/x
  3. Step 3: Cross multiply
    54,092.92x = 81,147.12 × 16,656.16
  4. Step 4: Simplify right side
    54,092.92x = 1,351,599,414.26
  5. Step 5: Solve for x
    x = 1,351,599,414.26/54,092.92
  6. Step 6: Final answer
    x = 24,986.62

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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.