Home / 87,532.44-120,672.97-73,976.69

Finding the Fourth Proportional to 87,532.44, 120,672.97 and 73,976.69

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Solution

The fourth proportional to 87,532.44, 120,672.97 and 73,976.69 is: 101,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,532.44 : 120,672.97 = 73,976.69 : x
  2. Step 2: Convert to fraction form
    87,532.44/120,672.97 = 73,976.69/x
  3. Step 3: Cross multiply
    87,532.44x = 120,672.97 × 73,976.69
  4. Step 4: Simplify right side
    87,532.44x = 8,926,986,289.70
  5. Step 5: Solve for x
    x = 8,926,986,289.70/87,532.44
  6. Step 6: Final answer
    x = 101,984.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.