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Finding the Fourth Proportional to 64,323.25, 88,766.09 and 36,029.55

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Solution

The fourth proportional to 64,323.25, 88,766.09 and 36,029.55 is: 49,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,323.25 : 88,766.09 = 36,029.55 : x
  2. Step 2: Convert to fraction form
    64,323.25/88,766.09 = 36,029.55/x
  3. Step 3: Cross multiply
    64,323.25x = 88,766.09 × 36,029.55
  4. Step 4: Simplify right side
    64,323.25x = 3,198,202,277.96
  5. Step 5: Solve for x
    x = 3,198,202,277.96/64,323.25
  6. Step 6: Final answer
    x = 49,720.78

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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.