Home / 75,481.92-113,236.54-31,084.46

Finding the Fourth Proportional to 75,481.92, 113,236.54 and 31,084.46

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Solution

The fourth proportional to 75,481.92, 113,236.54 and 31,084.46 is: 46,632.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,481.92 : 113,236.54 = 31,084.46 : x
  2. Step 2: Convert to fraction form
    75,481.92/113,236.54 = 31,084.46/x
  3. Step 3: Cross multiply
    75,481.92x = 113,236.54 × 31,084.46
  4. Step 4: Simplify right side
    75,481.92x = 3,519,896,698.17
  5. Step 5: Solve for x
    x = 3,519,896,698.17/75,481.92
  6. Step 6: Final answer
    x = 46,632.32

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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.