Home / 68,789.07-103,188.51-23,791.77

Finding the Fourth Proportional to 68,789.07, 103,188.51 and 23,791.77

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Solution

The fourth proportional to 68,789.07, 103,188.51 and 23,791.77 is: 35,689.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,789.07 : 103,188.51 = 23,791.77 : x
  2. Step 2: Convert to fraction form
    68,789.07/103,188.51 = 23,791.77/x
  3. Step 3: Cross multiply
    68,789.07x = 103,188.51 × 23,791.77
  4. Step 4: Simplify right side
    68,789.07x = 2,455,037,296.56
  5. Step 5: Solve for x
    x = 2,455,037,296.56/68,789.07
  6. Step 6: Final answer
    x = 35,689.35

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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.