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Finding the Fourth Proportional to 63,891.44, 88,170.79 and 35,212.15

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Solution

The fourth proportional to 63,891.44, 88,170.79 and 35,212.15 is: 48,593.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,891.44 : 88,170.79 = 35,212.15 : x
  2. Step 2: Convert to fraction form
    63,891.44/88,170.79 = 35,212.15/x
  3. Step 3: Cross multiply
    63,891.44x = 88,170.79 × 35,212.15
  4. Step 4: Simplify right side
    63,891.44x = 3,104,682,675.34
  5. Step 5: Solve for x
    x = 3,104,682,675.34/63,891.44
  6. Step 6: Final answer
    x = 48,593.09

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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.