Home / 68,885.12-103,324.04-22,134.40

Finding the Fourth Proportional to 68,885.12, 103,324.04 and 22,134.40

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Solution

The fourth proportional to 68,885.12, 103,324.04 and 22,134.40 is: 33,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,885.12 : 103,324.04 = 22,134.40 : x
  2. Step 2: Convert to fraction form
    68,885.12/103,324.04 = 22,134.40/x
  3. Step 3: Cross multiply
    68,885.12x = 103,324.04 × 22,134.40
  4. Step 4: Simplify right side
    68,885.12x = 2,287,015,630.98
  5. Step 5: Solve for x
    x = 2,287,015,630.98/68,885.12
  6. Step 6: Final answer
    x = 33,200.43

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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.