Home / 71,161.28-106,759.44-50,142.38

Finding the Fourth Proportional to 71,161.28, 106,759.44 and 50,142.38

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Solution

The fourth proportional to 71,161.28, 106,759.44 and 50,142.38 is: 75,225.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,161.28 : 106,759.44 = 50,142.38 : x
  2. Step 2: Convert to fraction form
    71,161.28/106,759.44 = 50,142.38/x
  3. Step 3: Cross multiply
    71,161.28x = 106,759.44 × 50,142.38
  4. Step 4: Simplify right side
    71,161.28x = 5,353,171,875.27
  5. Step 5: Solve for x
    x = 5,353,171,875.27/71,161.28
  6. Step 6: Final answer
    x = 75,225.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.