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Finding the Fourth Proportional to 67,603.44, 101,379.24 and 23,221.92

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Solution

The fourth proportional to 67,603.44, 101,379.24 and 23,221.92 is: 34,823.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,603.44 : 101,379.24 = 23,221.92 : x
  2. Step 2: Convert to fraction form
    67,603.44/101,379.24 = 23,221.92/x
  3. Step 3: Cross multiply
    67,603.44x = 101,379.24 × 23,221.92
  4. Step 4: Simplify right side
    67,603.44x = 2,354,220,600.94
  5. Step 5: Solve for x
    x = 2,354,220,600.94/67,603.44
  6. Step 6: Final answer
    x = 34,823.98

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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.