Home / 87,632.94-131,562.40-75,232.64

Finding the Fourth Proportional to 87,632.94, 131,562.40 and 75,232.64

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Solution

The fourth proportional to 87,632.94, 131,562.40 and 75,232.64 is: 112,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,632.94 : 131,562.40 = 75,232.64 : x
  2. Step 2: Convert to fraction form
    87,632.94/131,562.40 = 75,232.64/x
  3. Step 3: Cross multiply
    87,632.94x = 131,562.40 × 75,232.64
  4. Step 4: Simplify right side
    87,632.94x = 9,897,786,676.74
  5. Step 5: Solve for x
    x = 9,897,786,676.74/87,632.94
  6. Step 6: Final answer
    x = 112,945.96

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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.