Home / 109,690.44-151,346.77-63,722.73

Finding the Fourth Proportional to 109,690.44, 151,346.77 and 63,722.73

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Solution

The fourth proportional to 109,690.44, 151,346.77 and 63,722.73 is: 87,922.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,690.44 : 151,346.77 = 63,722.73 : x
  2. Step 2: Convert to fraction form
    109,690.44/151,346.77 = 63,722.73/x
  3. Step 3: Cross multiply
    109,690.44x = 151,346.77 × 63,722.73
  4. Step 4: Simplify right side
    109,690.44x = 9,644,229,361.08
  5. Step 5: Solve for x
    x = 9,644,229,361.08/109,690.44
  6. Step 6: Final answer
    x = 87,922.24

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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.