Home / 107,912.52-161,886.06-45,583.56

Finding the Fourth Proportional to 107,912.52, 161,886.06 and 45,583.56

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Solution

The fourth proportional to 107,912.52, 161,886.06 and 45,583.56 is: 68,382.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,912.52 : 161,886.06 = 45,583.56 : x
  2. Step 2: Convert to fraction form
    107,912.52/161,886.06 = 45,583.56/x
  3. Step 3: Cross multiply
    107,912.52x = 161,886.06 × 45,583.56
  4. Step 4: Simplify right side
    107,912.52x = 7,379,342,929.17
  5. Step 5: Solve for x
    x = 7,379,342,929.17/107,912.52
  6. Step 6: Final answer
    x = 68,382.64

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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.