Home / 87,448.50-131,200.41-31,287.36

Finding the Fourth Proportional to 87,448.50, 131,200.41 and 31,287.36

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Solution

The fourth proportional to 87,448.50, 131,200.41 and 31,287.36 is: 46,940.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,448.50 : 131,200.41 = 31,287.36 : x
  2. Step 2: Convert to fraction form
    87,448.50/131,200.41 = 31,287.36/x
  3. Step 3: Cross multiply
    87,448.50x = 131,200.41 × 31,287.36
  4. Step 4: Simplify right side
    87,448.50x = 4,104,914,459.82
  5. Step 5: Solve for x
    x = 4,104,914,459.82/87,448.50
  6. Step 6: Final answer
    x = 46,940.94

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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.