Home / 63,912.96-88,223.04-38,761.92

Finding the Fourth Proportional to 63,912.96, 88,223.04 and 38,761.92

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Solution

The fourth proportional to 63,912.96, 88,223.04 and 38,761.92 is: 53,505.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,912.96 : 88,223.04 = 38,761.92 : x
  2. Step 2: Convert to fraction form
    63,912.96/88,223.04 = 38,761.92/x
  3. Step 3: Cross multiply
    63,912.96x = 88,223.04 × 38,761.92
  4. Step 4: Simplify right side
    63,912.96x = 3,419,694,418.64
  5. Step 5: Solve for x
    x = 3,419,694,418.64/63,912.96
  6. Step 6: Final answer
    x = 53,505.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.