Home / 81,948.44-122,825.46-35,102.36

Finding the Fourth Proportional to 81,948.44, 122,825.46 and 35,102.36

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Solution

The fourth proportional to 81,948.44, 122,825.46 and 35,102.36 is: 52,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,948.44 : 122,825.46 = 35,102.36 : x
  2. Step 2: Convert to fraction form
    81,948.44/122,825.46 = 35,102.36/x
  3. Step 3: Cross multiply
    81,948.44x = 122,825.46 × 35,102.36
  4. Step 4: Simplify right side
    81,948.44x = 4,311,463,514.09
  5. Step 5: Solve for x
    x = 4,311,463,514.09/81,948.44
  6. Step 6: Final answer
    x = 52,611.90

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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.