Home / 87,973.89-131,940.60-52,445.25

Finding the Fourth Proportional to 87,973.89, 131,940.60 and 52,445.25

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Solution

The fourth proportional to 87,973.89, 131,940.60 and 52,445.25 is: 78,655.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,973.89 : 131,940.60 = 52,445.25 : x
  2. Step 2: Convert to fraction form
    87,973.89/131,940.60 = 52,445.25/x
  3. Step 3: Cross multiply
    87,973.89x = 131,940.60 × 52,445.25
  4. Step 4: Simplify right side
    87,973.89x = 6,919,657,752.15
  5. Step 5: Solve for x
    x = 6,919,657,752.15/87,973.89
  6. Step 6: Final answer
    x = 78,655.81

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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.