Home / 90,516.80-135,787.11-33,582.95

Finding the Fourth Proportional to 90,516.80, 135,787.11 and 33,582.95

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Solution

The fourth proportional to 90,516.80, 135,787.11 and 33,582.95 is: 50,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,516.80 : 135,787.11 = 33,582.95 : x
  2. Step 2: Convert to fraction form
    90,516.80/135,787.11 = 33,582.95/x
  3. Step 3: Cross multiply
    90,516.80x = 135,787.11 × 33,582.95
  4. Step 4: Simplify right side
    90,516.80x = 4,560,131,046.84
  5. Step 5: Solve for x
    x = 4,560,131,046.84/90,516.80
  6. Step 6: Final answer
    x = 50,378.84

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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.