Home / 87,829.40-131,571.30-52,664.60

Finding the Fourth Proportional to 87,829.40, 131,571.30 and 52,664.60

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Solution

The fourth proportional to 87,829.40, 131,571.30 and 52,664.60 is: 78,893.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,829.40 : 131,571.30 = 52,664.60 : x
  2. Step 2: Convert to fraction form
    87,829.40/131,571.30 = 52,664.60/x
  3. Step 3: Cross multiply
    87,829.40x = 131,571.30 × 52,664.60
  4. Step 4: Simplify right side
    87,829.40x = 6,929,149,885.98
  5. Step 5: Solve for x
    x = 6,929,149,885.98/87,829.40
  6. Step 6: Final answer
    x = 78,893.29

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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.