Home / 77,734.31-107,273.79-43,743.36

Finding the Fourth Proportional to 77,734.31, 107,273.79 and 43,743.36

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Solution

The fourth proportional to 77,734.31, 107,273.79 and 43,743.36 is: 60,366.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,734.31 : 107,273.79 = 43,743.36 : x
  2. Step 2: Convert to fraction form
    77,734.31/107,273.79 = 43,743.36/x
  3. Step 3: Cross multiply
    77,734.31x = 107,273.79 × 43,743.36
  4. Step 4: Simplify right side
    77,734.31x = 4,692,516,014.53
  5. Step 5: Solve for x
    x = 4,692,516,014.53/77,734.31
  6. Step 6: Final answer
    x = 60,366.09

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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.