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Finding the Fourth Proportional to 88,751.25, 133,168.35 and 38,824.88

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Solution

The fourth proportional to 88,751.25, 133,168.35 and 38,824.88 is: 58,255.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,751.25 : 133,168.35 = 38,824.88 : x
  2. Step 2: Convert to fraction form
    88,751.25/133,168.35 = 38,824.88/x
  3. Step 3: Cross multiply
    88,751.25x = 133,168.35 × 38,824.88
  4. Step 4: Simplify right side
    88,751.25x = 5,170,244,542.71
  5. Step 5: Solve for x
    x = 5,170,244,542.71/88,751.25
  6. Step 6: Final answer
    x = 58,255.46

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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.