Home / 87,352.86-131,025.60-39,940.50

Finding the Fourth Proportional to 87,352.86, 131,025.60 and 39,940.50

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Solution

The fourth proportional to 87,352.86, 131,025.60 and 39,940.50 is: 59,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,352.86 : 131,025.60 = 39,940.50 : x
  2. Step 2: Convert to fraction form
    87,352.86/131,025.60 = 39,940.50/x
  3. Step 3: Cross multiply
    87,352.86x = 131,025.60 × 39,940.50
  4. Step 4: Simplify right side
    87,352.86x = 5,233,227,976.80
  5. Step 5: Solve for x
    x = 5,233,227,976.80/87,352.86
  6. Step 6: Final answer
    x = 59,909.06

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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.