Home / 87,771.54-131,676.75-48,308.34

Finding the Fourth Proportional to 87,771.54, 131,676.75 and 48,308.34

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Solution

The fourth proportional to 87,771.54, 131,676.75 and 48,308.34 is: 72,473.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,771.54 : 131,676.75 = 48,308.34 : x
  2. Step 2: Convert to fraction form
    87,771.54/131,676.75 = 48,308.34/x
  3. Step 3: Cross multiply
    87,771.54x = 131,676.75 × 48,308.34
  4. Step 4: Simplify right side
    87,771.54x = 6,361,085,209.10
  5. Step 5: Solve for x
    x = 6,361,085,209.10/87,771.54
  6. Step 6: Final answer
    x = 72,473.21

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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.