Home / 69,921.36-104,884.92-36,622.80

Finding the Fourth Proportional to 69,921.36, 104,884.92 and 36,622.80

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Solution

The fourth proportional to 69,921.36, 104,884.92 and 36,622.80 is: 54,935.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,921.36 : 104,884.92 = 36,622.80 : x
  2. Step 2: Convert to fraction form
    69,921.36/104,884.92 = 36,622.80/x
  3. Step 3: Cross multiply
    69,921.36x = 104,884.92 × 36,622.80
  4. Step 4: Simplify right side
    69,921.36x = 3,841,179,448.18
  5. Step 5: Solve for x
    x = 3,841,179,448.18/69,921.36
  6. Step 6: Final answer
    x = 54,935.71

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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.