Home / 66,867.44-100,212.60-55,796

Finding the Fourth Proportional to 66,867.44, 100,212.60 and 55,796

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Solution

The fourth proportional to 66,867.44, 100,212.60 and 55,796 is: 83,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,867.44 : 100,212.60 = 55,796 : x
  2. Step 2: Convert to fraction form
    66,867.44/100,212.60 = 55,796/x
  3. Step 3: Cross multiply
    66,867.44x = 100,212.60 × 55,796
  4. Step 4: Simplify right side
    66,867.44x = 5,591,462,229.60
  5. Step 5: Solve for x
    x = 5,591,462,229.60/66,867.44
  6. Step 6: Final answer
    x = 83,620.10

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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.