Home / 95,450.78-131,706.27-55,168.30

Finding the Fourth Proportional to 95,450.78, 131,706.27 and 55,168.30

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Solution

The fourth proportional to 95,450.78, 131,706.27 and 55,168.30 is: 76,123.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,450.78 : 131,706.27 = 55,168.30 : x
  2. Step 2: Convert to fraction form
    95,450.78/131,706.27 = 55,168.30/x
  3. Step 3: Cross multiply
    95,450.78x = 131,706.27 × 55,168.30
  4. Step 4: Simplify right side
    95,450.78x = 7,266,011,179.87
  5. Step 5: Solve for x
    x = 7,266,011,179.87/95,450.78
  6. Step 6: Final answer
    x = 76,123.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.