Home / 63,456.20-95,117.31-21,296.31

Finding the Fourth Proportional to 63,456.20, 95,117.31 and 21,296.31

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Solution

The fourth proportional to 63,456.20, 95,117.31 and 21,296.31 is: 31,921.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,456.20 : 95,117.31 = 21,296.31 : x
  2. Step 2: Convert to fraction form
    63,456.20/95,117.31 = 21,296.31/x
  3. Step 3: Cross multiply
    63,456.20x = 95,117.31 × 21,296.31
  4. Step 4: Simplify right side
    63,456.20x = 2,025,647,720.13
  5. Step 5: Solve for x
    x = 2,025,647,720.13/63,456.20
  6. Step 6: Final answer
    x = 31,921.98

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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.