Home / 82,267.21-123,375.30-29,669.86

Finding the Fourth Proportional to 82,267.21, 123,375.30 and 29,669.86

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Solution

The fourth proportional to 82,267.21, 123,375.30 and 29,669.86 is: 44,495.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,267.21 : 123,375.30 = 29,669.86 : x
  2. Step 2: Convert to fraction form
    82,267.21/123,375.30 = 29,669.86/x
  3. Step 3: Cross multiply
    82,267.21x = 123,375.30 × 29,669.86
  4. Step 4: Simplify right side
    82,267.21x = 3,660,527,878.46
  5. Step 5: Solve for x
    x = 3,660,527,878.46/82,267.21
  6. Step 6: Final answer
    x = 44,495.59

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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.