Home / 77,964.20-107,519.94-51,097

Finding the Fourth Proportional to 77,964.20, 107,519.94 and 51,097

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Solution

The fourth proportional to 77,964.20, 107,519.94 and 51,097 is: 70,467.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,964.20 : 107,519.94 = 51,097 : x
  2. Step 2: Convert to fraction form
    77,964.20/107,519.94 = 51,097/x
  3. Step 3: Cross multiply
    77,964.20x = 107,519.94 × 51,097
  4. Step 4: Simplify right side
    77,964.20x = 5,493,946,374.18
  5. Step 5: Solve for x
    x = 5,493,946,374.18/77,964.20
  6. Step 6: Final answer
    x = 70,467.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.