Home / 68,447.73-102,586.83-38,775.62

Finding the Fourth Proportional to 68,447.73, 102,586.83 and 38,775.62

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Solution

The fourth proportional to 68,447.73, 102,586.83 and 38,775.62 is: 58,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,447.73 : 102,586.83 = 38,775.62 : x
  2. Step 2: Convert to fraction form
    68,447.73/102,586.83 = 38,775.62/x
  3. Step 3: Cross multiply
    68,447.73x = 102,586.83 × 38,775.62
  4. Step 4: Simplify right side
    68,447.73x = 3,977,867,424.15
  5. Step 5: Solve for x
    x = 3,977,867,424.15/68,447.73
  6. Step 6: Final answer
    x = 58,115.40

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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.