Home / 87,705.36-131,407.92-73,755.54

Finding the Fourth Proportional to 87,705.36, 131,407.92 and 73,755.54

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Solution

The fourth proportional to 87,705.36, 131,407.92 and 73,755.54 is: 110,507.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,705.36 : 131,407.92 = 73,755.54 : x
  2. Step 2: Convert to fraction form
    87,705.36/131,407.92 = 73,755.54/x
  3. Step 3: Cross multiply
    87,705.36x = 131,407.92 × 73,755.54
  4. Step 4: Simplify right side
    87,705.36x = 9,692,062,099.88
  5. Step 5: Solve for x
    x = 9,692,062,099.88/87,705.36
  6. Step 6: Final answer
    x = 110,507.07

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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.