Home / 76,949.37-106,234.29-58,656.47

Finding the Fourth Proportional to 76,949.37, 106,234.29 and 58,656.47

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Solution

The fourth proportional to 76,949.37, 106,234.29 and 58,656.47 is: 80,979.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,949.37 : 106,234.29 = 58,656.47 : x
  2. Step 2: Convert to fraction form
    76,949.37/106,234.29 = 58,656.47/x
  3. Step 3: Cross multiply
    76,949.37x = 106,234.29 × 58,656.47
  4. Step 4: Simplify right side
    76,949.37x = 6,231,328,709.94
  5. Step 5: Solve for x
    x = 6,231,328,709.94/76,949.37
  6. Step 6: Final answer
    x = 80,979.59

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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.