Home / 89,627.70-134,441.55-88,245.30

Finding the Fourth Proportional to 89,627.70, 134,441.55 and 88,245.30

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Solution

The fourth proportional to 89,627.70, 134,441.55 and 88,245.30 is: 132,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,627.70 : 134,441.55 = 88,245.30 : x
  2. Step 2: Convert to fraction form
    89,627.70/134,441.55 = 88,245.30/x
  3. Step 3: Cross multiply
    89,627.70x = 134,441.55 × 88,245.30
  4. Step 4: Simplify right side
    89,627.70x = 11,863,834,912.22
  5. Step 5: Solve for x
    x = 11,863,834,912.22/89,627.70
  6. Step 6: Final answer
    x = 132,367.95

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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.