Home / 83,856.93-115,722.57-48,067.70

Finding the Fourth Proportional to 83,856.93, 115,722.57 and 48,067.70

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Solution

The fourth proportional to 83,856.93, 115,722.57 and 48,067.70 is: 66,333.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,856.93 : 115,722.57 = 48,067.70 : x
  2. Step 2: Convert to fraction form
    83,856.93/115,722.57 = 48,067.70/x
  3. Step 3: Cross multiply
    83,856.93x = 115,722.57 × 48,067.70
  4. Step 4: Simplify right side
    83,856.93x = 5,562,517,777.99
  5. Step 5: Solve for x
    x = 5,562,517,777.99/83,856.93
  6. Step 6: Final answer
    x = 66,333.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.