Home / 69,943.05-104,945.58-36,655.21

Finding the Fourth Proportional to 69,943.05, 104,945.58 and 36,655.21

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Solution

The fourth proportional to 69,943.05, 104,945.58 and 36,655.21 is: 54,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,943.05 : 104,945.58 = 36,655.21 : x
  2. Step 2: Convert to fraction form
    69,943.05/104,945.58 = 36,655.21/x
  3. Step 3: Cross multiply
    69,943.05x = 104,945.58 × 36,655.21
  4. Step 4: Simplify right side
    69,943.05x = 3,846,802,273.47
  5. Step 5: Solve for x
    x = 3,846,802,273.47/69,943.05
  6. Step 6: Final answer
    x = 54,999.06

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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.