Home / 69,544.32-104,324.64-22,142.80

Finding the Fourth Proportional to 69,544.32, 104,324.64 and 22,142.80

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Solution

The fourth proportional to 69,544.32, 104,324.64 and 22,142.80 is: 33,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,544.32 : 104,324.64 = 22,142.80 : x
  2. Step 2: Convert to fraction form
    69,544.32/104,324.64 = 22,142.80/x
  3. Step 3: Cross multiply
    69,544.32x = 104,324.64 × 22,142.80
  4. Step 4: Simplify right side
    69,544.32x = 2,310,039,638.59
  5. Step 5: Solve for x
    x = 2,310,039,638.59/69,544.32
  6. Step 6: Final answer
    x = 33,216.80

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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.