Home / 124,912.72-187,237.86-45,976.60

Finding the Fourth Proportional to 124,912.72, 187,237.86 and 45,976.60

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Solution

The fourth proportional to 124,912.72, 187,237.86 and 45,976.60 is: 68,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,912.72 : 187,237.86 = 45,976.60 : x
  2. Step 2: Convert to fraction form
    124,912.72/187,237.86 = 45,976.60/x
  3. Step 3: Cross multiply
    124,912.72x = 187,237.86 × 45,976.60
  4. Step 4: Simplify right side
    124,912.72x = 8,608,560,194.08
  5. Step 5: Solve for x
    x = 8,608,560,194.08/124,912.72
  6. Step 6: Final answer
    x = 68,916.60

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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.