Home / 71,157.77-106,754.18-50,138.86

Finding the Fourth Proportional to 71,157.77, 106,754.18 and 50,138.86

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Solution

The fourth proportional to 71,157.77, 106,754.18 and 50,138.86 is: 75,220.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,157.77 : 106,754.18 = 50,138.86 : x
  2. Step 2: Convert to fraction form
    71,157.77/106,754.18 = 50,138.86/x
  3. Step 3: Cross multiply
    71,157.77x = 106,754.18 × 50,138.86
  4. Step 4: Simplify right side
    71,157.77x = 5,352,532,568.02
  5. Step 5: Solve for x
    x = 5,352,532,568.02/71,157.77
  6. Step 6: Final answer
    x = 75,220.63

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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.