Home / 69,147.39-103,544.57-55,127.86

Finding the Fourth Proportional to 69,147.39, 103,544.57 and 55,127.86

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Solution

The fourth proportional to 69,147.39, 103,544.57 and 55,127.86 is: 82,551.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,147.39 : 103,544.57 = 55,127.86 : x
  2. Step 2: Convert to fraction form
    69,147.39/103,544.57 = 55,127.86/x
  3. Step 3: Cross multiply
    69,147.39x = 103,544.57 × 55,127.86
  4. Step 4: Simplify right side
    69,147.39x = 5,708,190,696.54
  5. Step 5: Solve for x
    x = 5,708,190,696.54/69,147.39
  6. Step 6: Final answer
    x = 82,551.07

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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.