Home / 88,517.91-122,153.16-48,231.96

Finding the Fourth Proportional to 88,517.91, 122,153.16 and 48,231.96

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Solution

The fourth proportional to 88,517.91, 122,153.16 and 48,231.96 is: 66,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,517.91 : 122,153.16 = 48,231.96 : x
  2. Step 2: Convert to fraction form
    88,517.91/122,153.16 = 48,231.96/x
  3. Step 3: Cross multiply
    88,517.91x = 122,153.16 × 48,231.96
  4. Step 4: Simplify right side
    88,517.91x = 5,891,686,049.79
  5. Step 5: Solve for x
    x = 5,891,686,049.79/88,517.91
  6. Step 6: Final answer
    x = 66,559.25

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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.