Home / 87,433.40-131,063.70-34,772.60

Finding the Fourth Proportional to 87,433.40, 131,063.70 and 34,772.60

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Solution

The fourth proportional to 87,433.40, 131,063.70 and 34,772.60 is: 52,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,433.40 : 131,063.70 = 34,772.60 : x
  2. Step 2: Convert to fraction form
    87,433.40/131,063.70 = 34,772.60/x
  3. Step 3: Cross multiply
    87,433.40x = 131,063.70 × 34,772.60
  4. Step 4: Simplify right side
    87,433.40x = 4,557,425,614.62
  5. Step 5: Solve for x
    x = 4,557,425,614.62/87,433.40
  6. Step 6: Final answer
    x = 52,124.54

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1.5x scale

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.