Home / 91,769.82-137,561.67-62,190.60

Finding the Fourth Proportional to 91,769.82, 137,561.67 and 62,190.60

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Solution

The fourth proportional to 91,769.82, 137,561.67 and 62,190.60 is: 93,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,769.82 : 137,561.67 = 62,190.60 : x
  2. Step 2: Convert to fraction form
    91,769.82/137,561.67 = 62,190.60/x
  3. Step 3: Cross multiply
    91,769.82x = 137,561.67 × 62,190.60
  4. Step 4: Simplify right side
    91,769.82x = 8,555,042,794.30
  5. Step 5: Solve for x
    x = 8,555,042,794.30/91,769.82
  6. Step 6: Final answer
    x = 93,222.84

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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.