Home / 87,918.08-131,893.76-35,331.68

Finding the Fourth Proportional to 87,918.08, 131,893.76 and 35,331.68

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Solution

The fourth proportional to 87,918.08, 131,893.76 and 35,331.68 is: 53,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,918.08 : 131,893.76 = 35,331.68 : x
  2. Step 2: Convert to fraction form
    87,918.08/131,893.76 = 35,331.68/x
  3. Step 3: Cross multiply
    87,918.08x = 131,893.76 × 35,331.68
  4. Step 4: Simplify right side
    87,918.08x = 4,660,028,122.32
  5. Step 5: Solve for x
    x = 4,660,028,122.32/87,918.08
  6. Step 6: Final answer
    x = 53,004.21

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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.