Home / 81,917.82-122,876.52-46,832.87

Finding the Fourth Proportional to 81,917.82, 122,876.52 and 46,832.87

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Solution

The fourth proportional to 81,917.82, 122,876.52 and 46,832.87 is: 70,249.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,917.82 : 122,876.52 = 46,832.87 : x
  2. Step 2: Convert to fraction form
    81,917.82/122,876.52 = 46,832.87/x
  3. Step 3: Cross multiply
    81,917.82x = 122,876.52 × 46,832.87
  4. Step 4: Simplify right side
    81,917.82x = 5,754,659,472.83
  5. Step 5: Solve for x
    x = 5,754,659,472.83/81,917.82
  6. Step 6: Final answer
    x = 70,249.18

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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.