Home / 63,939.82-95,842.84-21,805.15

Finding the Fourth Proportional to 63,939.82, 95,842.84 and 21,805.15

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Solution

The fourth proportional to 63,939.82, 95,842.84 and 21,805.15 is: 32,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,939.82 : 95,842.84 = 21,805.15 : x
  2. Step 2: Convert to fraction form
    63,939.82/95,842.84 = 21,805.15/x
  3. Step 3: Cross multiply
    63,939.82x = 95,842.84 × 21,805.15
  4. Step 4: Simplify right side
    63,939.82x = 2,089,867,502.63
  5. Step 5: Solve for x
    x = 2,089,867,502.63/63,939.82
  6. Step 6: Final answer
    x = 32,684.91

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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.