Home / 87,844.39-131,772.45-30,911.51

Finding the Fourth Proportional to 87,844.39, 131,772.45 and 30,911.51

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Solution

The fourth proportional to 87,844.39, 131,772.45 and 30,911.51 is: 46,369.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,844.39 : 131,772.45 = 30,911.51 : x
  2. Step 2: Convert to fraction form
    87,844.39/131,772.45 = 30,911.51/x
  3. Step 3: Cross multiply
    87,844.39x = 131,772.45 × 30,911.51
  4. Step 4: Simplify right side
    87,844.39x = 4,073,285,405.90
  5. Step 5: Solve for x
    x = 4,073,285,405.90/87,844.39
  6. Step 6: Final answer
    x = 46,369.33

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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.