Home / 73,629.56-100,997.01-72,996.95

Finding the Fourth Proportional to 73,629.56, 100,997.01 and 72,996.95

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Solution

The fourth proportional to 73,629.56, 100,997.01 and 72,996.95 is: 100,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,629.56 : 100,997.01 = 72,996.95 : x
  2. Step 2: Convert to fraction form
    73,629.56/100,997.01 = 72,996.95/x
  3. Step 3: Cross multiply
    73,629.56x = 100,997.01 × 72,996.95
  4. Step 4: Simplify right side
    73,629.56x = 7,372,473,324.13
  5. Step 5: Solve for x
    x = 7,372,473,324.13/73,629.56
  6. Step 6: Final answer
    x = 100,129.26

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.