Home / 54,166.57-81,251.65-18,627.54

Finding the Fourth Proportional to 54,166.57, 81,251.65 and 18,627.54

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Solution

The fourth proportional to 54,166.57, 81,251.65 and 18,627.54 is: 27,941.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,166.57 : 81,251.65 = 18,627.54 : x
  2. Step 2: Convert to fraction form
    54,166.57/81,251.65 = 18,627.54/x
  3. Step 3: Cross multiply
    54,166.57x = 81,251.65 × 18,627.54
  4. Step 4: Simplify right side
    54,166.57x = 1,513,517,861.05
  5. Step 5: Solve for x
    x = 1,513,517,861.05/54,166.57
  6. Step 6: Final answer
    x = 27,941.92

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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.