Home / 68,922.39-103,435.08-51,194.03

Finding the Fourth Proportional to 68,922.39, 103,435.08 and 51,194.03

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Solution

The fourth proportional to 68,922.39, 103,435.08 and 51,194.03 is: 76,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,922.39 : 103,435.08 = 51,194.03 : x
  2. Step 2: Convert to fraction form
    68,922.39/103,435.08 = 51,194.03/x
  3. Step 3: Cross multiply
    68,922.39x = 103,435.08 × 51,194.03
  4. Step 4: Simplify right side
    68,922.39x = 5,295,257,879.42
  5. Step 5: Solve for x
    x = 5,295,257,879.42/68,922.39
  6. Step 6: Final answer
    x = 76,829.28

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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.