Home / 100,743.28-151,093.52-29,646.61

Finding the Fourth Proportional to 100,743.28, 151,093.52 and 29,646.61

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Solution

The fourth proportional to 100,743.28, 151,093.52 and 29,646.61 is: 44,463.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,743.28 : 151,093.52 = 29,646.61 : x
  2. Step 2: Convert to fraction form
    100,743.28/151,093.52 = 29,646.61/x
  3. Step 3: Cross multiply
    100,743.28x = 151,093.52 × 29,646.61
  4. Step 4: Simplify right side
    100,743.28x = 4,479,410,660.97
  5. Step 5: Solve for x
    x = 4,479,410,660.97/100,743.28
  6. Step 6: Final answer
    x = 44,463.62

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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.