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Finding the Fourth Proportional to 76,009.92, 104,898.96 and 44,188.80

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Solution

The fourth proportional to 76,009.92, 104,898.96 and 44,188.80 is: 60,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,009.92 : 104,898.96 = 44,188.80 : x
  2. Step 2: Convert to fraction form
    76,009.92/104,898.96 = 44,188.80/x
  3. Step 3: Cross multiply
    76,009.92x = 104,898.96 × 44,188.80
  4. Step 4: Simplify right side
    76,009.92x = 4,635,359,163.65
  5. Step 5: Solve for x
    x = 4,635,359,163.65/76,009.92
  6. Step 6: Final answer
    x = 60,983.61

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1.5x scale

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.