Home / 50,806.35-70,115.24-30,662.86

Finding the Fourth Proportional to 50,806.35, 70,115.24 and 30,662.86

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Solution

The fourth proportional to 50,806.35, 70,115.24 and 30,662.86 is: 42,316.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,806.35 : 70,115.24 = 30,662.86 : x
  2. Step 2: Convert to fraction form
    50,806.35/70,115.24 = 30,662.86/x
  3. Step 3: Cross multiply
    50,806.35x = 70,115.24 × 30,662.86
  4. Step 4: Simplify right side
    50,806.35x = 2,149,933,787.99
  5. Step 5: Solve for x
    x = 2,149,933,787.99/50,806.35
  6. Step 6: Final answer
    x = 42,316.24

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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.