Home / 100,815.56-151,232.76-29,738.27

Finding the Fourth Proportional to 100,815.56, 151,232.76 and 29,738.27

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Solution

The fourth proportional to 100,815.56, 151,232.76 and 29,738.27 is: 44,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,815.56 : 151,232.76 = 29,738.27 : x
  2. Step 2: Convert to fraction form
    100,815.56/151,232.76 = 29,738.27/x
  3. Step 3: Cross multiply
    100,815.56x = 151,232.76 × 29,738.27
  4. Step 4: Simplify right side
    100,815.56x = 4,497,399,893.56
  5. Step 5: Solve for x
    x = 4,497,399,893.56/100,815.56
  6. Step 6: Final answer
    x = 44,610.18

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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.