Home / 112,961.09-169,392.39-38,067.27

Finding the Fourth Proportional to 112,961.09, 169,392.39 and 38,067.27

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Solution

The fourth proportional to 112,961.09, 169,392.39 and 38,067.27 is: 57,084.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,961.09 : 169,392.39 = 38,067.27 : x
  2. Step 2: Convert to fraction form
    112,961.09/169,392.39 = 38,067.27/x
  3. Step 3: Cross multiply
    112,961.09x = 169,392.39 × 38,067.27
  4. Step 4: Simplify right side
    112,961.09x = 6,448,305,846.08
  5. Step 5: Solve for x
    x = 6,448,305,846.08/112,961.09
  6. Step 6: Final answer
    x = 57,084.31

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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.