Finding the Fourth Proportional to 83,906.70, 125,830.07 and 27,736.44
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Solution
The fourth proportional to 83,906.70, 125,830.07 and 27,736.44 is: 41,594.75
Step by Step Solution
- Step 1: Write the proportion equation
83,906.70 : 125,830.07 = 27,736.44 : x - Step 2: Convert to fraction form
83,906.70/125,830.07 = 27,736.44/x - Step 3: Cross multiply
83,906.70x = 125,830.07 × 27,736.44 - Step 4: Simplify right side
83,906.70x = 3,490,078,186.75 - Step 5: Solve for x
x = 3,490,078,186.75/83,906.70 - Step 6: Final answer
x = 41,594.75
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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.