Home / 87,630.43-131,558.64-75,230.14

Finding the Fourth Proportional to 87,630.43, 131,558.64 and 75,230.14

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Solution

The fourth proportional to 87,630.43, 131,558.64 and 75,230.14 is: 112,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,630.43 : 131,558.64 = 75,230.14 : x
  2. Step 2: Convert to fraction form
    87,630.43/131,558.64 = 75,230.14/x
  3. Step 3: Cross multiply
    87,630.43x = 131,558.64 × 75,230.14
  4. Step 4: Simplify right side
    87,630.43x = 9,897,174,905.41
  5. Step 5: Solve for x
    x = 9,897,174,905.41/87,630.43
  6. Step 6: Final answer
    x = 112,942.22

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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.