Finding the Fourth Proportional to 125,791.58, 173,593.53 and 68,431.43
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Solution
The fourth proportional to 125,791.58, 173,593.53 and 68,431.43 is: 94,436.00
Step by Step Solution
- Step 1: Write the proportion equation
125,791.58 : 173,593.53 = 68,431.43 : x - Step 2: Convert to fraction form
125,791.58/173,593.53 = 68,431.43/x - Step 3: Cross multiply
125,791.58x = 173,593.53 × 68,431.43 - Step 4: Simplify right side
125,791.58x = 11,879,253,930.63 - Step 5: Solve for x
x = 11,879,253,930.63/125,791.58 - Step 6: Final answer
x = 94,436.00
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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.