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Finding the Fourth Proportional to 88,452, 122,063.76 and 48,708

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Solution

The fourth proportional to 88,452, 122,063.76 and 48,708 is: 67,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,452 : 122,063.76 = 48,708 : x
  2. Step 2: Convert to fraction form
    88,452/122,063.76 = 48,708/x
  3. Step 3: Cross multiply
    88,452x = 122,063.76 × 48,708
  4. Step 4: Simplify right side
    88,452x = 5,945,481,622.08
  5. Step 5: Solve for x
    x = 5,945,481,622.08/88,452
  6. Step 6: Final answer
    x = 67,217.04

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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.