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Finding the Fourth Proportional to 91,296.57, 136,943.03 and 41,367.36

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Solution

The fourth proportional to 91,296.57, 136,943.03 and 41,367.36 is: 62,050.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,296.57 : 136,943.03 = 41,367.36 : x
  2. Step 2: Convert to fraction form
    91,296.57/136,943.03 = 41,367.36/x
  3. Step 3: Cross multiply
    91,296.57x = 136,943.03 × 41,367.36
  4. Step 4: Simplify right side
    91,296.57x = 5,664,971,414.66
  5. Step 5: Solve for x
    x = 5,664,971,414.66/91,296.57
  6. Step 6: Final answer
    x = 62,050.21

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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.