Home / 69,171.53-103,790.10-41,146.83

Finding the Fourth Proportional to 69,171.53, 103,790.10 and 41,146.83

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Solution

The fourth proportional to 69,171.53, 103,790.10 and 41,146.83 is: 61,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,171.53 : 103,790.10 = 41,146.83 : x
  2. Step 2: Convert to fraction form
    69,171.53/103,790.10 = 41,146.83/x
  3. Step 3: Cross multiply
    69,171.53x = 103,790.10 × 41,146.83
  4. Step 4: Simplify right side
    69,171.53x = 4,270,633,600.38
  5. Step 5: Solve for x
    x = 4,270,633,600.38/69,171.53
  6. Step 6: Final answer
    x = 61,739.76

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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.