Home / 87,777.36-131,588.28-65,563.92

Finding the Fourth Proportional to 87,777.36, 131,588.28 and 65,563.92

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Solution

The fourth proportional to 87,777.36, 131,588.28 and 65,563.92 is: 98,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,777.36 : 131,588.28 = 65,563.92 : x
  2. Step 2: Convert to fraction form
    87,777.36/131,588.28 = 65,563.92/x
  3. Step 3: Cross multiply
    87,777.36x = 131,588.28 × 65,563.92
  4. Step 4: Simplify right side
    87,777.36x = 8,627,443,462.86
  5. Step 5: Solve for x
    x = 8,627,443,462.86/87,777.36
  6. Step 6: Final answer
    x = 98,287.80

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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.