Home / 85,181.83-117,553.58-48,889.88

Finding the Fourth Proportional to 85,181.83, 117,553.58 and 48,889.88

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Solution

The fourth proportional to 85,181.83, 117,553.58 and 48,889.88 is: 67,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,181.83 : 117,553.58 = 48,889.88 : x
  2. Step 2: Convert to fraction form
    85,181.83/117,553.58 = 48,889.88/x
  3. Step 3: Cross multiply
    85,181.83x = 117,553.58 × 48,889.88
  4. Step 4: Simplify right side
    85,181.83x = 5,747,180,211.72
  5. Step 5: Solve for x
    x = 5,747,180,211.72/85,181.83
  6. Step 6: Final answer
    x = 67,469.56

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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.