Home / 77,212.88-106,563.82-43,234.32

Finding the Fourth Proportional to 77,212.88, 106,563.82 and 43,234.32

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Solution

The fourth proportional to 77,212.88, 106,563.82 and 43,234.32 is: 59,668.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,212.88 : 106,563.82 = 43,234.32 : x
  2. Step 2: Convert to fraction form
    77,212.88/106,563.82 = 43,234.32/x
  3. Step 3: Cross multiply
    77,212.88x = 106,563.82 × 43,234.32
  4. Step 4: Simplify right side
    77,212.88x = 4,607,214,294.30
  5. Step 5: Solve for x
    x = 4,607,214,294.30/77,212.88
  6. Step 6: Final answer
    x = 59,668.99

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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.