Home / 63,440.58-95,162.42-21,321.28

Finding the Fourth Proportional to 63,440.58, 95,162.42 and 21,321.28

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Solution

The fourth proportional to 63,440.58, 95,162.42 and 21,321.28 is: 31,982.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,440.58 : 95,162.42 = 21,321.28 : x
  2. Step 2: Convert to fraction form
    63,440.58/95,162.42 = 21,321.28/x
  3. Step 3: Cross multiply
    63,440.58x = 95,162.42 × 21,321.28
  4. Step 4: Simplify right side
    63,440.58x = 2,028,984,602.30
  5. Step 5: Solve for x
    x = 2,028,984,602.30/63,440.58
  6. Step 6: Final answer
    x = 31,982.44

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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.