Home / 98,194.62-135,507.34-55,750.41

Finding the Fourth Proportional to 98,194.62, 135,507.34 and 55,750.41

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Solution

The fourth proportional to 98,194.62, 135,507.34 and 55,750.41 is: 76,934.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,194.62 : 135,507.34 = 55,750.41 : x
  2. Step 2: Convert to fraction form
    98,194.62/135,507.34 = 55,750.41/x
  3. Step 3: Cross multiply
    98,194.62x = 135,507.34 × 55,750.41
  4. Step 4: Simplify right side
    98,194.62x = 7,554,589,763.01
  5. Step 5: Solve for x
    x = 7,554,589,763.01/98,194.62
  6. Step 6: Final answer
    x = 76,934.86

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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.