Home / 76,949.69-106,192.37-48,270.56

Finding the Fourth Proportional to 76,949.69, 106,192.37 and 48,270.56

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Solution

The fourth proportional to 76,949.69, 106,192.37 and 48,270.56 is: 66,614.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,949.69 : 106,192.37 = 48,270.56 : x
  2. Step 2: Convert to fraction form
    76,949.69/106,192.37 = 48,270.56/x
  3. Step 3: Cross multiply
    76,949.69x = 106,192.37 × 48,270.56
  4. Step 4: Simplify right side
    76,949.69x = 5,125,965,372.77
  5. Step 5: Solve for x
    x = 5,125,965,372.77/76,949.69
  6. Step 6: Final answer
    x = 66,614.50

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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.