Home / 54,454.28-81,738.66-48,254

Finding the Fourth Proportional to 54,454.28, 81,738.66 and 48,254

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Solution

The fourth proportional to 54,454.28, 81,738.66 and 48,254 is: 72,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,454.28 : 81,738.66 = 48,254 : x
  2. Step 2: Convert to fraction form
    54,454.28/81,738.66 = 48,254/x
  3. Step 3: Cross multiply
    54,454.28x = 81,738.66 × 48,254
  4. Step 4: Simplify right side
    54,454.28x = 3,944,217,299.64
  5. Step 5: Solve for x
    x = 3,944,217,299.64/54,454.28
  6. Step 6: Final answer
    x = 72,431.72

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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.