Home / 54,145.64-81,218.34-14,708.54

Finding the Fourth Proportional to 54,145.64, 81,218.34 and 14,708.54

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Solution

The fourth proportional to 54,145.64, 81,218.34 and 14,708.54 is: 22,062.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,145.64 : 81,218.34 = 14,708.54 : x
  2. Step 2: Convert to fraction form
    54,145.64/81,218.34 = 14,708.54/x
  3. Step 3: Cross multiply
    54,145.64x = 81,218.34 × 14,708.54
  4. Step 4: Simplify right side
    54,145.64x = 1,194,603,202.62
  5. Step 5: Solve for x
    x = 1,194,603,202.62/54,145.64
  6. Step 6: Final answer
    x = 22,062.78

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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.