Home / 112,921.75-169,393.97-29,815.75

Finding the Fourth Proportional to 112,921.75, 169,393.97 and 29,815.75

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Solution

The fourth proportional to 112,921.75, 169,393.97 and 29,815.75 is: 44,726.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,921.75 : 169,393.97 = 29,815.75 : x
  2. Step 2: Convert to fraction form
    112,921.75/169,393.97 = 29,815.75/x
  3. Step 3: Cross multiply
    112,921.75x = 169,393.97 × 29,815.75
  4. Step 4: Simplify right side
    112,921.75x = 5,050,608,261.03
  5. Step 5: Solve for x
    x = 5,050,608,261.03/112,921.75
  6. Step 6: Final answer
    x = 44,726.62

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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.