Home / 91,749.88-137,618.14-41,164.57

Finding the Fourth Proportional to 91,749.88, 137,618.14 and 41,164.57

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Solution

The fourth proportional to 91,749.88, 137,618.14 and 41,164.57 is: 61,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,749.88 : 137,618.14 = 41,164.57 : x
  2. Step 2: Convert to fraction form
    91,749.88/137,618.14 = 41,164.57/x
  3. Step 3: Cross multiply
    91,749.88x = 137,618.14 × 41,164.57
  4. Step 4: Simplify right side
    91,749.88x = 5,664,991,557.30
  5. Step 5: Solve for x
    x = 5,664,991,557.30/91,749.88
  6. Step 6: Final answer
    x = 61,743.86

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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.