Home / 88,660.20-132,990.30-44,293.80

Finding the Fourth Proportional to 88,660.20, 132,990.30 and 44,293.80

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Solution

The fourth proportional to 88,660.20, 132,990.30 and 44,293.80 is: 66,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,660.20 : 132,990.30 = 44,293.80 : x
  2. Step 2: Convert to fraction form
    88,660.20/132,990.30 = 44,293.80/x
  3. Step 3: Cross multiply
    88,660.20x = 132,990.30 × 44,293.80
  4. Step 4: Simplify right side
    88,660.20x = 5,890,645,750.14
  5. Step 5: Solve for x
    x = 5,890,645,750.14/88,660.20
  6. Step 6: Final answer
    x = 66,440.70

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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.