Home / 67,856.14-101,817.94-30,442.65

Finding the Fourth Proportional to 67,856.14, 101,817.94 and 30,442.65

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Solution

The fourth proportional to 67,856.14, 101,817.94 and 30,442.65 is: 45,679.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,856.14 : 101,817.94 = 30,442.65 : x
  2. Step 2: Convert to fraction form
    67,856.14/101,817.94 = 30,442.65/x
  3. Step 3: Cross multiply
    67,856.14x = 101,817.94 × 30,442.65
  4. Step 4: Simplify right side
    67,856.14x = 3,099,607,911.14
  5. Step 5: Solve for x
    x = 3,099,607,911.14/67,856.14
  6. Step 6: Final answer
    x = 45,679.11

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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.