Home / 68,946.28-103,323.73-31,414.63

Finding the Fourth Proportional to 68,946.28, 103,323.73 and 31,414.63

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Solution

The fourth proportional to 68,946.28, 103,323.73 and 31,414.63 is: 47,078.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,946.28 : 103,323.73 = 31,414.63 : x
  2. Step 2: Convert to fraction form
    68,946.28/103,323.73 = 31,414.63/x
  3. Step 3: Cross multiply
    68,946.28x = 103,323.73 × 31,414.63
  4. Step 4: Simplify right side
    68,946.28x = 3,245,876,231.55
  5. Step 5: Solve for x
    x = 3,245,876,231.55/68,946.28
  6. Step 6: Final answer
    x = 47,078.34

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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.