Home / 69,023.36-103,436.60-54,919.92

Finding the Fourth Proportional to 69,023.36, 103,436.60 and 54,919.92

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Solution

The fourth proportional to 69,023.36, 103,436.60 and 54,919.92 is: 82,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,023.36 : 103,436.60 = 54,919.92 : x
  2. Step 2: Convert to fraction form
    69,023.36/103,436.60 = 54,919.92/x
  3. Step 3: Cross multiply
    69,023.36x = 103,436.60 × 54,919.92
  4. Step 4: Simplify right side
    69,023.36x = 5,680,729,797.07
  5. Step 5: Solve for x
    x = 5,680,729,797.07/69,023.36
  6. Step 6: Final answer
    x = 82,301.55

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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.