Home / 97,976.43-135,212.84-54,969.54

Finding the Fourth Proportional to 97,976.43, 135,212.84 and 54,969.54

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Solution

The fourth proportional to 97,976.43, 135,212.84 and 54,969.54 is: 75,860.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,976.43 : 135,212.84 = 54,969.54 : x
  2. Step 2: Convert to fraction form
    97,976.43/135,212.84 = 54,969.54/x
  3. Step 3: Cross multiply
    97,976.43x = 135,212.84 × 54,969.54
  4. Step 4: Simplify right side
    97,976.43x = 7,432,587,342.05
  5. Step 5: Solve for x
    x = 7,432,587,342.05/97,976.43
  6. Step 6: Final answer
    x = 75,860.97

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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.