Home / 88,912.48-122,685.60-51,179.44

Finding the Fourth Proportional to 88,912.48, 122,685.60 and 51,179.44

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Solution

The fourth proportional to 88,912.48, 122,685.60 and 51,179.44 is: 70,619.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,912.48 : 122,685.60 = 51,179.44 : x
  2. Step 2: Convert to fraction form
    88,912.48/122,685.60 = 51,179.44/x
  3. Step 3: Cross multiply
    88,912.48x = 122,685.60 × 51,179.44
  4. Step 4: Simplify right side
    88,912.48x = 6,278,980,304.06
  5. Step 5: Solve for x
    x = 6,278,980,304.06/88,912.48
  6. Step 6: Final answer
    x = 70,619.79

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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.