Home / 69,133.22-103,740.07-29,149.70

Finding the Fourth Proportional to 69,133.22, 103,740.07 and 29,149.70

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Solution

The fourth proportional to 69,133.22, 103,740.07 and 29,149.70 is: 43,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,133.22 : 103,740.07 = 29,149.70 : x
  2. Step 2: Convert to fraction form
    69,133.22/103,740.07 = 29,149.70/x
  3. Step 3: Cross multiply
    69,133.22x = 103,740.07 × 29,149.70
  4. Step 4: Simplify right side
    69,133.22x = 3,023,991,399.78
  5. Step 5: Solve for x
    x = 3,023,991,399.78/69,133.22
  6. Step 6: Final answer
    x = 43,741.51

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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.