Home / 88,517.92-122,153.04-48,231.20

Finding the Fourth Proportional to 88,517.92, 122,153.04 and 48,231.20

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Solution

The fourth proportional to 88,517.92, 122,153.04 and 48,231.20 is: 66,558.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,517.92 : 122,153.04 = 48,231.20 : x
  2. Step 2: Convert to fraction form
    88,517.92/122,153.04 = 48,231.20/x
  3. Step 3: Cross multiply
    88,517.92x = 122,153.04 × 48,231.20
  4. Step 4: Simplify right side
    88,517.92x = 5,891,587,702.85
  5. Step 5: Solve for x
    x = 5,891,587,702.85/88,517.92
  6. Step 6: Final answer
    x = 66,558.14

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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.