Home / 73,086.66-109,564.36-28,745.23

Finding the Fourth Proportional to 73,086.66, 109,564.36 and 28,745.23

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Solution

The fourth proportional to 73,086.66, 109,564.36 and 28,745.23 is: 43,092.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,086.66 : 109,564.36 = 28,745.23 : x
  2. Step 2: Convert to fraction form
    73,086.66/109,564.36 = 28,745.23/x
  3. Step 3: Cross multiply
    73,086.66x = 109,564.36 × 28,745.23
  4. Step 4: Simplify right side
    73,086.66x = 3,149,452,728.00
  5. Step 5: Solve for x
    x = 3,149,452,728.00/73,086.66
  6. Step 6: Final answer
    x = 43,092.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.