Home / 49,859.89-68,813.28-31,712.31

Finding the Fourth Proportional to 49,859.89, 68,813.28 and 31,712.31

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Solution

The fourth proportional to 49,859.89, 68,813.28 and 31,712.31 is: 43,767.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,859.89 : 68,813.28 = 31,712.31 : x
  2. Step 2: Convert to fraction form
    49,859.89/68,813.28 = 31,712.31/x
  3. Step 3: Cross multiply
    49,859.89x = 68,813.28 × 31,712.31
  4. Step 4: Simplify right side
    49,859.89x = 2,182,228,067.48
  5. Step 5: Solve for x
    x = 2,182,228,067.48/49,859.89
  6. Step 6: Final answer
    x = 43,767.21

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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.