Home / 77,086.28-106,408.49-50,235.39

Finding the Fourth Proportional to 77,086.28, 106,408.49 and 50,235.39

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Solution

The fourth proportional to 77,086.28, 106,408.49 and 50,235.39 is: 69,344.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,086.28 : 106,408.49 = 50,235.39 : x
  2. Step 2: Convert to fraction form
    77,086.28/106,408.49 = 50,235.39/x
  3. Step 3: Cross multiply
    77,086.28x = 106,408.49 × 50,235.39
  4. Step 4: Simplify right side
    77,086.28x = 5,345,471,743.28
  5. Step 5: Solve for x
    x = 5,345,471,743.28/77,086.28
  6. Step 6: Final answer
    x = 69,344.01

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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.