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Finding the Fourth Proportional to 76,879.94, 106,096.94 and 44,612.07

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Solution

The fourth proportional to 76,879.94, 106,096.94 and 44,612.07 is: 61,566.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,879.94 : 106,096.94 = 44,612.07 : x
  2. Step 2: Convert to fraction form
    76,879.94/106,096.94 = 44,612.07/x
  3. Step 3: Cross multiply
    76,879.94x = 106,096.94 × 44,612.07
  4. Step 4: Simplify right side
    76,879.94x = 4,733,203,660.44
  5. Step 5: Solve for x
    x = 4,733,203,660.44/76,879.94
  6. Step 6: Final answer
    x = 61,566.18

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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.