Home / 87,528.70-131,301.22-67,829.37

Finding the Fourth Proportional to 87,528.70, 131,301.22 and 67,829.37

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Solution

The fourth proportional to 87,528.70, 131,301.22 and 67,829.37 is: 101,750.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,528.70 : 131,301.22 = 67,829.37 : x
  2. Step 2: Convert to fraction form
    87,528.70/131,301.22 = 67,829.37/x
  3. Step 3: Cross multiply
    87,528.70x = 131,301.22 × 67,829.37
  4. Step 4: Simplify right side
    87,528.70x = 8,906,079,032.83
  5. Step 5: Solve for x
    x = 8,906,079,032.83/87,528.70
  6. Step 6: Final answer
    x = 101,750.39

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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.