Home / 76,236.45-105,137.76-49,350.93

Finding the Fourth Proportional to 76,236.45, 105,137.76 and 49,350.93

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Solution

The fourth proportional to 76,236.45, 105,137.76 and 49,350.93 is: 68,059.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,236.45 : 105,137.76 = 49,350.93 : x
  2. Step 2: Convert to fraction form
    76,236.45/105,137.76 = 49,350.93/x
  3. Step 3: Cross multiply
    76,236.45x = 105,137.76 × 49,350.93
  4. Step 4: Simplify right side
    76,236.45x = 5,188,646,234.12
  5. Step 5: Solve for x
    x = 5,188,646,234.12/76,236.45
  6. Step 6: Final answer
    x = 68,059.91

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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.