Home / 106,939.44-160,404-28,051.92

Finding the Fourth Proportional to 106,939.44, 160,404 and 28,051.92

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Solution

The fourth proportional to 106,939.44, 160,404 and 28,051.92 is: 42,076.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,939.44 : 160,404 = 28,051.92 : x
  2. Step 2: Convert to fraction form
    106,939.44/160,404 = 28,051.92/x
  3. Step 3: Cross multiply
    106,939.44x = 160,404 × 28,051.92
  4. Step 4: Simplify right side
    106,939.44x = 4,499,640,175.68
  5. Step 5: Solve for x
    x = 4,499,640,175.68/106,939.44
  6. Step 6: Final answer
    x = 42,076.53

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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.