Home / 72,304.20-108,464.40-22,383.90

Finding the Fourth Proportional to 72,304.20, 108,464.40 and 22,383.90

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Solution

The fourth proportional to 72,304.20, 108,464.40 and 22,383.90 is: 33,578.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,304.20 : 108,464.40 = 22,383.90 : x
  2. Step 2: Convert to fraction form
    72,304.20/108,464.40 = 22,383.90/x
  3. Step 3: Cross multiply
    72,304.20x = 108,464.40 × 22,383.90
  4. Step 4: Simplify right side
    72,304.20x = 2,427,856,283.16
  5. Step 5: Solve for x
    x = 2,427,856,283.16/72,304.20
  6. Step 6: Final answer
    x = 33,578.36

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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.