Home / 54,546.30-81,863.15-28,258.56

Finding the Fourth Proportional to 54,546.30, 81,863.15 and 28,258.56

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Solution

The fourth proportional to 54,546.30, 81,863.15 and 28,258.56 is: 42,410.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,546.30 : 81,863.15 = 28,258.56 : x
  2. Step 2: Convert to fraction form
    54,546.30/81,863.15 = 28,258.56/x
  3. Step 3: Cross multiply
    54,546.30x = 81,863.15 × 28,258.56
  4. Step 4: Simplify right side
    54,546.30x = 2,313,334,594.77
  5. Step 5: Solve for x
    x = 2,313,334,594.77/54,546.30
  6. Step 6: Final answer
    x = 42,410.48

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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.