Home / 73,093.07-100,867.67-42,872.61

Finding the Fourth Proportional to 73,093.07, 100,867.67 and 42,872.61

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Solution

The fourth proportional to 73,093.07, 100,867.67 and 42,872.61 is: 59,163.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,093.07 : 100,867.67 = 42,872.61 : x
  2. Step 2: Convert to fraction form
    73,093.07/100,867.67 = 42,872.61/x
  3. Step 3: Cross multiply
    73,093.07x = 100,867.67 × 42,872.61
  4. Step 4: Simplify right side
    73,093.07x = 4,324,460,063.16
  5. Step 5: Solve for x
    x = 4,324,460,063.16/73,093.07
  6. Step 6: Final answer
    x = 59,163.75

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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.