Home / 68,630.36-102,946.62-27,077

Finding the Fourth Proportional to 68,630.36, 102,946.62 and 27,077

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Solution

The fourth proportional to 68,630.36, 102,946.62 and 27,077 is: 40,615.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,630.36 : 102,946.62 = 27,077 : x
  2. Step 2: Convert to fraction form
    68,630.36/102,946.62 = 27,077/x
  3. Step 3: Cross multiply
    68,630.36x = 102,946.62 × 27,077
  4. Step 4: Simplify right side
    68,630.36x = 2,787,485,629.74
  5. Step 5: Solve for x
    x = 2,787,485,629.74/68,630.36
  6. Step 6: Final answer
    x = 40,615.93

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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.