Home / 54,363.78-81,541.99-14,917.59

Finding the Fourth Proportional to 54,363.78, 81,541.99 and 14,917.59

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Solution

The fourth proportional to 54,363.78, 81,541.99 and 14,917.59 is: 22,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,363.78 : 81,541.99 = 14,917.59 : x
  2. Step 2: Convert to fraction form
    54,363.78/81,541.99 = 14,917.59/x
  3. Step 3: Cross multiply
    54,363.78x = 81,541.99 × 14,917.59
  4. Step 4: Simplify right side
    54,363.78x = 1,216,409,974.60
  5. Step 5: Solve for x
    x = 1,216,409,974.60/54,363.78
  6. Step 6: Final answer
    x = 22,375.38

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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.