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Finding the Fourth Proportional to 68,124.27, 102,826.26 and 68,124.27

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Solution

The fourth proportional to 68,124.27, 102,826.26 and 68,124.27 is: 102,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,124.27 : 102,826.26 = 68,124.27 : x
  2. Step 2: Convert to fraction form
    68,124.27/102,826.26 = 68,124.27/x
  3. Step 3: Cross multiply
    68,124.27x = 102,826.26 × 68,124.27
  4. Step 4: Simplify right side
    68,124.27x = 7,004,963,899.33
  5. Step 5: Solve for x
    x = 7,004,963,899.33/68,124.27
  6. Step 6: Final answer
    x = 102,826.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.