Home / 69,121.04-103,628.28-22,361.36

Finding the Fourth Proportional to 69,121.04, 103,628.28 and 22,361.36

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Solution

The fourth proportional to 69,121.04, 103,628.28 and 22,361.36 is: 33,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,121.04 : 103,628.28 = 22,361.36 : x
  2. Step 2: Convert to fraction form
    69,121.04/103,628.28 = 22,361.36/x
  3. Step 3: Cross multiply
    69,121.04x = 103,628.28 × 22,361.36
  4. Step 4: Simplify right side
    69,121.04x = 2,317,269,275.26
  5. Step 5: Solve for x
    x = 2,317,269,275.26/69,121.04
  6. Step 6: Final answer
    x = 33,524.80

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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.