Home / 98,084.16-135,352.62-55,650.96

Finding the Fourth Proportional to 98,084.16, 135,352.62 and 55,650.96

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Solution

The fourth proportional to 98,084.16, 135,352.62 and 55,650.96 is: 76,796.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,084.16 : 135,352.62 = 55,650.96 : x
  2. Step 2: Convert to fraction form
    98,084.16/135,352.62 = 55,650.96/x
  3. Step 3: Cross multiply
    98,084.16x = 135,352.62 × 55,650.96
  4. Step 4: Simplify right side
    98,084.16x = 7,532,503,241.52
  5. Step 5: Solve for x
    x = 7,532,503,241.52/98,084.16
  6. Step 6: Final answer
    x = 76,796.33

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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.