Home / 69,155.28-103,725.36-22,395.60

Finding the Fourth Proportional to 69,155.28, 103,725.36 and 22,395.60

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Solution

The fourth proportional to 69,155.28, 103,725.36 and 22,395.60 is: 33,590.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,155.28 : 103,725.36 = 22,395.60 : x
  2. Step 2: Convert to fraction form
    69,155.28/103,725.36 = 22,395.60/x
  3. Step 3: Cross multiply
    69,155.28x = 103,725.36 × 22,395.60
  4. Step 4: Simplify right side
    69,155.28x = 2,322,991,672.42
  5. Step 5: Solve for x
    x = 2,322,991,672.42/69,155.28
  6. Step 6: Final answer
    x = 33,590.95

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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.