Home / 90,845.87-136,269.27-27,666.54

Finding the Fourth Proportional to 90,845.87, 136,269.27 and 27,666.54

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Solution

The fourth proportional to 90,845.87, 136,269.27 and 27,666.54 is: 41,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,845.87 : 136,269.27 = 27,666.54 : x
  2. Step 2: Convert to fraction form
    90,845.87/136,269.27 = 27,666.54/x
  3. Step 3: Cross multiply
    90,845.87x = 136,269.27 × 27,666.54
  4. Step 4: Simplify right side
    90,845.87x = 3,770,099,209.23
  5. Step 5: Solve for x
    x = 3,770,099,209.23/90,845.87
  6. Step 6: Final answer
    x = 41,499.95

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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.