Home / 69,439.68-104,172.48-22,725.36

Finding the Fourth Proportional to 69,439.68, 104,172.48 and 22,725.36

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Solution

The fourth proportional to 69,439.68, 104,172.48 and 22,725.36 is: 34,092.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,439.68 : 104,172.48 = 22,725.36 : x
  2. Step 2: Convert to fraction form
    69,439.68/104,172.48 = 22,725.36/x
  3. Step 3: Cross multiply
    69,439.68x = 104,172.48 × 22,725.36
  4. Step 4: Simplify right side
    69,439.68x = 2,367,357,110.09
  5. Step 5: Solve for x
    x = 2,367,357,110.09/69,439.68
  6. Step 6: Final answer
    x = 34,092.28

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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.