Home / 90,704.28-136,056.69-27,524.91

Finding the Fourth Proportional to 90,704.28, 136,056.69 and 27,524.91

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Solution

The fourth proportional to 90,704.28, 136,056.69 and 27,524.91 is: 41,287.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,704.28 : 136,056.69 = 27,524.91 : x
  2. Step 2: Convert to fraction form
    90,704.28/136,056.69 = 27,524.91/x
  3. Step 3: Cross multiply
    90,704.28x = 136,056.69 × 27,524.91
  4. Step 4: Simplify right side
    90,704.28x = 3,744,947,329.24
  5. Step 5: Solve for x
    x = 3,744,947,329.24/90,704.28
  6. Step 6: Final answer
    x = 41,287.44

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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.