Finding the Fourth Proportional to 72,325.73, 108,504.09 and 36,791.99
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Solution
The fourth proportional to 72,325.73, 108,504.09 and 36,791.99 is: 55,195.87
Step by Step Solution
- Step 1: Write the proportion equation
72,325.73 : 108,504.09 = 36,791.99 : x - Step 2: Convert to fraction form
72,325.73/108,504.09 = 36,791.99/x - Step 3: Cross multiply
72,325.73x = 108,504.09 × 36,791.99 - Step 4: Simplify right side
72,325.73x = 3,992,081,394.24 - Step 5: Solve for x
x = 3,992,081,394.24/72,325.73 - Step 6: Final answer
x = 55,195.87
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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.