Home / 77,418.28-106,797.82-50,576.50

Finding the Fourth Proportional to 77,418.28, 106,797.82 and 50,576.50

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Solution

The fourth proportional to 77,418.28, 106,797.82 and 50,576.50 is: 69,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,418.28 : 106,797.82 = 50,576.50 : x
  2. Step 2: Convert to fraction form
    77,418.28/106,797.82 = 50,576.50/x
  3. Step 3: Cross multiply
    77,418.28x = 106,797.82 × 50,576.50
  4. Step 4: Simplify right side
    77,418.28x = 5,401,459,943.23
  5. Step 5: Solve for x
    x = 5,401,459,943.23/77,418.28
  6. Step 6: Final answer
    x = 69,769.83

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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.