Home / 85,174.44-117,540.90-47,450.04

Finding the Fourth Proportional to 85,174.44, 117,540.90 and 47,450.04

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Solution

The fourth proportional to 85,174.44, 117,540.90 and 47,450.04 is: 65,481.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,174.44 : 117,540.90 = 47,450.04 : x
  2. Step 2: Convert to fraction form
    85,174.44/117,540.90 = 47,450.04/x
  3. Step 3: Cross multiply
    85,174.44x = 117,540.90 × 47,450.04
  4. Step 4: Simplify right side
    85,174.44x = 5,577,320,406.64
  5. Step 5: Solve for x
    x = 5,577,320,406.64/85,174.44
  6. Step 6: Final answer
    x = 65,481.15

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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.