Home / 34,102.80-51,169.68-15,372.72

Finding the Fourth Proportional to 34,102.80, 51,169.68 and 15,372.72

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Solution

The fourth proportional to 34,102.80, 51,169.68 and 15,372.72 is: 23,066.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,102.80 : 51,169.68 = 15,372.72 : x
  2. Step 2: Convert to fraction form
    34,102.80/51,169.68 = 15,372.72/x
  3. Step 3: Cross multiply
    34,102.80x = 51,169.68 × 15,372.72
  4. Step 4: Simplify right side
    34,102.80x = 786,617,163.13
  5. Step 5: Solve for x
    x = 786,617,163.13/34,102.80
  6. Step 6: Final answer
    x = 23,066.06

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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.