Home / 95,515.20-131,679.24-76,199.64

Finding the Fourth Proportional to 95,515.20, 131,679.24 and 76,199.64

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Solution

The fourth proportional to 95,515.20, 131,679.24 and 76,199.64 is: 105,050.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,515.20 : 131,679.24 = 76,199.64 : x
  2. Step 2: Convert to fraction form
    95,515.20/131,679.24 = 76,199.64/x
  3. Step 3: Cross multiply
    95,515.20x = 131,679.24 × 76,199.64
  4. Step 4: Simplify right side
    95,515.20x = 10,033,910,683.47
  5. Step 5: Solve for x
    x = 10,033,910,683.47/95,515.20
  6. Step 6: Final answer
    x = 105,050.41

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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.