Home / 95,165.66-131,339.40-66,467.36

Finding the Fourth Proportional to 95,165.66, 131,339.40 and 66,467.36

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Solution

The fourth proportional to 95,165.66, 131,339.40 and 66,467.36 is: 91,732.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,165.66 : 131,339.40 = 66,467.36 : x
  2. Step 2: Convert to fraction form
    95,165.66/131,339.40 = 66,467.36/x
  3. Step 3: Cross multiply
    95,165.66x = 131,339.40 × 66,467.36
  4. Step 4: Simplify right side
    95,165.66x = 8,729,783,181.98
  5. Step 5: Solve for x
    x = 8,729,783,181.98/95,165.66
  6. Step 6: Final answer
    x = 91,732.49

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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.