Home / 71,764.56-107,651.24-21,848.36

Finding the Fourth Proportional to 71,764.56, 107,651.24 and 21,848.36

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Solution

The fourth proportional to 71,764.56, 107,651.24 and 21,848.36 is: 32,773.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,764.56 : 107,651.24 = 21,848.36 : x
  2. Step 2: Convert to fraction form
    71,764.56/107,651.24 = 21,848.36/x
  3. Step 3: Cross multiply
    71,764.56x = 107,651.24 × 21,848.36
  4. Step 4: Simplify right side
    71,764.56x = 2,352,003,045.97
  5. Step 5: Solve for x
    x = 2,352,003,045.97/71,764.56
  6. Step 6: Final answer
    x = 32,773.88

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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.