Home / 68,723.22-103,072.65-31,274.58

Finding the Fourth Proportional to 68,723.22, 103,072.65 and 31,274.58

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Solution

The fourth proportional to 68,723.22, 103,072.65 and 31,274.58 is: 46,906.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,723.22 : 103,072.65 = 31,274.58 : x
  2. Step 2: Convert to fraction form
    68,723.22/103,072.65 = 31,274.58/x
  3. Step 3: Cross multiply
    68,723.22x = 103,072.65 × 31,274.58
  4. Step 4: Simplify right side
    68,723.22x = 3,223,553,838.24
  5. Step 5: Solve for x
    x = 3,223,553,838.24/68,723.22
  6. Step 6: Final answer
    x = 46,906.33

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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.