Home / 74,777.18-112,231.37-41,534.78

Finding the Fourth Proportional to 74,777.18, 112,231.37 and 41,534.78

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Solution

The fourth proportional to 74,777.18, 112,231.37 and 41,534.78 is: 62,338.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,777.18 : 112,231.37 = 41,534.78 : x
  2. Step 2: Convert to fraction form
    74,777.18/112,231.37 = 41,534.78/x
  3. Step 3: Cross multiply
    74,777.18x = 112,231.37 × 41,534.78
  4. Step 4: Simplify right side
    74,777.18x = 4,661,504,804.73
  5. Step 5: Solve for x
    x = 4,661,504,804.73/74,777.18
  6. Step 6: Final answer
    x = 62,338.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.