Home / 63,851.38-95,755.42-21,720.19

Finding the Fourth Proportional to 63,851.38, 95,755.42 and 21,720.19

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Solution

The fourth proportional to 63,851.38, 95,755.42 and 21,720.19 is: 32,572.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,851.38 : 95,755.42 = 21,720.19 : x
  2. Step 2: Convert to fraction form
    63,851.38/95,755.42 = 21,720.19/x
  3. Step 3: Cross multiply
    63,851.38x = 95,755.42 × 21,720.19
  4. Step 4: Simplify right side
    63,851.38x = 2,079,825,915.93
  5. Step 5: Solve for x
    x = 2,079,825,915.93/63,851.38
  6. Step 6: Final answer
    x = 32,572.92

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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.