Home / 71,334.48-107,001.46-21,414.36

Finding the Fourth Proportional to 71,334.48, 107,001.46 and 21,414.36

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Solution

The fourth proportional to 71,334.48, 107,001.46 and 21,414.36 is: 32,121.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,334.48 : 107,001.46 = 21,414.36 : x
  2. Step 2: Convert to fraction form
    71,334.48/107,001.46 = 21,414.36/x
  3. Step 3: Cross multiply
    71,334.48x = 107,001.46 × 21,414.36
  4. Step 4: Simplify right side
    71,334.48x = 2,291,367,784.97
  5. Step 5: Solve for x
    x = 2,291,367,784.97/71,334.48
  6. Step 6: Final answer
    x = 32,121.46

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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.