Home / 87,626.32-131,450.40-34,311.41

Finding the Fourth Proportional to 87,626.32, 131,450.40 and 34,311.41

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Solution

The fourth proportional to 87,626.32, 131,450.40 and 34,311.41 is: 51,471.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,626.32 : 131,450.40 = 34,311.41 : x
  2. Step 2: Convert to fraction form
    87,626.32/131,450.40 = 34,311.41/x
  3. Step 3: Cross multiply
    87,626.32x = 131,450.40 × 34,311.41
  4. Step 4: Simplify right side
    87,626.32x = 4,510,248,569.06
  5. Step 5: Solve for x
    x = 4,510,248,569.06/87,626.32
  6. Step 6: Final answer
    x = 51,471.39

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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.