Home / 47,440.22-71,172-33,427.61

Finding the Fourth Proportional to 47,440.22, 71,172 and 33,427.61

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Solution

The fourth proportional to 47,440.22, 71,172 and 33,427.61 is: 50,149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,440.22 : 71,172 = 33,427.61 : x
  2. Step 2: Convert to fraction form
    47,440.22/71,172 = 33,427.61/x
  3. Step 3: Cross multiply
    47,440.22x = 71,172 × 33,427.61
  4. Step 4: Simplify right side
    47,440.22x = 2,379,109,503.06
  5. Step 5: Solve for x
    x = 2,379,109,503.06/47,440.22
  6. Step 6: Final answer
    x = 50,149.64

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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.