Home / 68,885.18-103,338.57-29,442.50

Finding the Fourth Proportional to 68,885.18, 103,338.57 and 29,442.50

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Solution

The fourth proportional to 68,885.18, 103,338.57 and 29,442.50 is: 44,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,885.18 : 103,338.57 = 29,442.50 : x
  2. Step 2: Convert to fraction form
    68,885.18/103,338.57 = 29,442.50/x
  3. Step 3: Cross multiply
    68,885.18x = 103,338.57 × 29,442.50
  4. Step 4: Simplify right side
    68,885.18x = 3,042,545,847.23
  5. Step 5: Solve for x
    x = 3,042,545,847.23/68,885.18
  6. Step 6: Final answer
    x = 44,168.37

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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.