Home / 87,354.54-131,060.97-34,749.90

Finding the Fourth Proportional to 87,354.54, 131,060.97 and 34,749.90

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Solution

The fourth proportional to 87,354.54, 131,060.97 and 34,749.90 is: 52,136.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,354.54 : 131,060.97 = 34,749.90 : x
  2. Step 2: Convert to fraction form
    87,354.54/131,060.97 = 34,749.90/x
  3. Step 3: Cross multiply
    87,354.54x = 131,060.97 × 34,749.90
  4. Step 4: Simplify right side
    87,354.54x = 4,554,355,601.40
  5. Step 5: Solve for x
    x = 4,554,355,601.40/87,354.54
  6. Step 6: Final answer
    x = 52,136.45

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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.