Home / 87,797.36-131,682.68-28,632.94

Finding the Fourth Proportional to 87,797.36, 131,682.68 and 28,632.94

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Solution

The fourth proportional to 87,797.36, 131,682.68 and 28,632.94 is: 42,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,797.36 : 131,682.68 = 28,632.94 : x
  2. Step 2: Convert to fraction form
    87,797.36/131,682.68 = 28,632.94/x
  3. Step 3: Cross multiply
    87,797.36x = 131,682.68 × 28,632.94
  4. Step 4: Simplify right side
    87,797.36x = 3,770,461,910.48
  5. Step 5: Solve for x
    x = 3,770,461,910.48/87,797.36
  6. Step 6: Final answer
    x = 42,945.05

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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.