Home / 87,622.20-131,433.30-52,601.40

Finding the Fourth Proportional to 87,622.20, 131,433.30 and 52,601.40

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Solution

The fourth proportional to 87,622.20, 131,433.30 and 52,601.40 is: 78,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,622.20 : 131,433.30 = 52,601.40 : x
  2. Step 2: Convert to fraction form
    87,622.20/131,433.30 = 52,601.40/x
  3. Step 3: Cross multiply
    87,622.20x = 131,433.30 × 52,601.40
  4. Step 4: Simplify right side
    87,622.20x = 6,913,575,586.62
  5. Step 5: Solve for x
    x = 6,913,575,586.62/87,622.20
  6. Step 6: Final answer
    x = 78,902.10

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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.