Home / 77,764.22-107,318.12-43,784.39

Finding the Fourth Proportional to 77,764.22, 107,318.12 and 43,784.39

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Solution

The fourth proportional to 77,764.22, 107,318.12 and 43,784.39 is: 60,424.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,764.22 : 107,318.12 = 43,784.39 : x
  2. Step 2: Convert to fraction form
    77,764.22/107,318.12 = 43,784.39/x
  3. Step 3: Cross multiply
    77,764.22x = 107,318.12 × 43,784.39
  4. Step 4: Simplify right side
    77,764.22x = 4,698,858,201.22
  5. Step 5: Solve for x
    x = 4,698,858,201.22/77,764.22
  6. Step 6: Final answer
    x = 60,424.42

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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.