Home / 88,517.80-122,153.02-48,231.90

Finding the Fourth Proportional to 88,517.80, 122,153.02 and 48,231.90

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Solution

The fourth proportional to 88,517.80, 122,153.02 and 48,231.90 is: 66,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,517.80 : 122,153.02 = 48,231.90 : x
  2. Step 2: Convert to fraction form
    88,517.80/122,153.02 = 48,231.90/x
  3. Step 3: Cross multiply
    88,517.80x = 122,153.02 × 48,231.90
  4. Step 4: Simplify right side
    88,517.80x = 5,891,672,245.34
  5. Step 5: Solve for x
    x = 5,891,672,245.34/88,517.80
  6. Step 6: Final answer
    x = 66,559.18

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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.