Home / 76,163.36-105,092.94-47,849

Finding the Fourth Proportional to 76,163.36, 105,092.94 and 47,849

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Solution

The fourth proportional to 76,163.36, 105,092.94 and 47,849 is: 66,023.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,163.36 : 105,092.94 = 47,849 : x
  2. Step 2: Convert to fraction form
    76,163.36/105,092.94 = 47,849/x
  3. Step 3: Cross multiply
    76,163.36x = 105,092.94 × 47,849
  4. Step 4: Simplify right side
    76,163.36x = 5,028,592,086.06
  5. Step 5: Solve for x
    x = 5,028,592,086.06/76,163.36
  6. Step 6: Final answer
    x = 66,023.77

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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.