Home / 98,517.56-135,944.37-55,495.85

Finding the Fourth Proportional to 98,517.56, 135,944.37 and 55,495.85

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Solution

The fourth proportional to 98,517.56, 135,944.37 and 55,495.85 is: 76,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,517.56 : 135,944.37 = 55,495.85 : x
  2. Step 2: Convert to fraction form
    98,517.56/135,944.37 = 55,495.85/x
  3. Step 3: Cross multiply
    98,517.56x = 135,944.37 × 55,495.85
  4. Step 4: Simplify right side
    98,517.56x = 7,544,347,686.14
  5. Step 5: Solve for x
    x = 7,544,347,686.14/98,517.56
  6. Step 6: Final answer
    x = 76,578.71

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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.