Home / 69,195.66-103,414.36-50,515.03

Finding the Fourth Proportional to 69,195.66, 103,414.36 and 50,515.03

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Solution

The fourth proportional to 69,195.66, 103,414.36 and 50,515.03 is: 75,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,195.66 : 103,414.36 = 50,515.03 : x
  2. Step 2: Convert to fraction form
    69,195.66/103,414.36 = 50,515.03/x
  3. Step 3: Cross multiply
    69,195.66x = 103,414.36 × 50,515.03
  4. Step 4: Simplify right side
    69,195.66x = 5,223,979,497.83
  5. Step 5: Solve for x
    x = 5,223,979,497.83/69,195.66
  6. Step 6: Final answer
    x = 75,495.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.