Home / 67,135.40-100,704.06-29,176.04

Finding the Fourth Proportional to 67,135.40, 100,704.06 and 29,176.04

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Solution

The fourth proportional to 67,135.40, 100,704.06 and 29,176.04 is: 43,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,135.40 : 100,704.06 = 29,176.04 : x
  2. Step 2: Convert to fraction form
    67,135.40/100,704.06 = 29,176.04/x
  3. Step 3: Cross multiply
    67,135.40x = 100,704.06 × 29,176.04
  4. Step 4: Simplify right side
    67,135.40x = 2,938,145,682.72
  5. Step 5: Solve for x
    x = 2,938,145,682.72/67,135.40
  6. Step 6: Final answer
    x = 43,764.48

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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.