Home / 88,033.12-131,753.18-80,749.60

Finding the Fourth Proportional to 88,033.12, 131,753.18 and 80,749.60

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Solution

The fourth proportional to 88,033.12, 131,753.18 and 80,749.60 is: 120,852.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,033.12 : 131,753.18 = 80,749.60 : x
  2. Step 2: Convert to fraction form
    88,033.12/131,753.18 = 80,749.60/x
  3. Step 3: Cross multiply
    88,033.12x = 131,753.18 × 80,749.60
  4. Step 4: Simplify right side
    88,033.12x = 10,639,016,583.73
  5. Step 5: Solve for x
    x = 10,639,016,583.73/88,033.12
  6. Step 6: Final answer
    x = 120,852.43

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1.5x scale

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.