Home / 69,143.97-103,748.25-35,845.89

Finding the Fourth Proportional to 69,143.97, 103,748.25 and 35,845.89

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Solution

The fourth proportional to 69,143.97, 103,748.25 and 35,845.89 is: 53,785.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,143.97 : 103,748.25 = 35,845.89 : x
  2. Step 2: Convert to fraction form
    69,143.97/103,748.25 = 35,845.89/x
  3. Step 3: Cross multiply
    69,143.97x = 103,748.25 × 35,845.89
  4. Step 4: Simplify right side
    69,143.97x = 3,718,948,357.19
  5. Step 5: Solve for x
    x = 3,718,948,357.19/69,143.97
  6. Step 6: Final answer
    x = 53,785.58

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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.