Home / 54,215.01-81,324.54-16,771.68

Finding the Fourth Proportional to 54,215.01, 81,324.54 and 16,771.68

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Solution

The fourth proportional to 54,215.01, 81,324.54 and 16,771.68 is: 25,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,215.01 : 81,324.54 = 16,771.68 : x
  2. Step 2: Convert to fraction form
    54,215.01/81,324.54 = 16,771.68/x
  3. Step 3: Cross multiply
    54,215.01x = 81,324.54 × 16,771.68
  4. Step 4: Simplify right side
    54,215.01x = 1,363,949,161.03
  5. Step 5: Solve for x
    x = 1,363,949,161.03/54,215.01
  6. Step 6: Final answer
    x = 25,158.15

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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.