Home / 69,134.09-103,696.26-39,458.93

Finding the Fourth Proportional to 69,134.09, 103,696.26 and 39,458.93

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Solution

The fourth proportional to 69,134.09, 103,696.26 and 39,458.93 is: 59,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,134.09 : 103,696.26 = 39,458.93 : x
  2. Step 2: Convert to fraction form
    69,134.09/103,696.26 = 39,458.93/x
  3. Step 3: Cross multiply
    69,134.09x = 103,696.26 × 39,458.93
  4. Step 4: Simplify right side
    69,134.09x = 4,091,743,464.60
  5. Step 5: Solve for x
    x = 4,091,743,464.60/69,134.09
  6. Step 6: Final answer
    x = 59,185.61

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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.