Finding the Fourth Proportional to 125,879.48, 173,713.68 and 68,519.02
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Solution
The fourth proportional to 125,879.48, 173,713.68 and 68,519.02 is: 94,556.25
Step by Step Solution
- Step 1: Write the proportion equation
125,879.48 : 173,713.68 = 68,519.02 : x - Step 2: Convert to fraction form
125,879.48/173,713.68 = 68,519.02/x - Step 3: Cross multiply
125,879.48x = 173,713.68 × 68,519.02 - Step 4: Simplify right side
125,879.48x = 11,902,691,114.19 - Step 5: Solve for x
x = 11,902,691,114.19/125,879.48 - Step 6: Final answer
x = 94,556.25
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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.