Finding the Fourth Proportional to 84,604.26, 126,910.16 and 47,135.94
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Solution
The fourth proportional to 84,604.26, 126,910.16 and 47,135.94 is: 70,706.01
Step by Step Solution
- Step 1: Write the proportion equation
84,604.26 : 126,910.16 = 47,135.94 : x - Step 2: Convert to fraction form
84,604.26/126,910.16 = 47,135.94/x - Step 3: Cross multiply
84,604.26x = 126,910.16 × 47,135.94 - Step 4: Simplify right side
84,604.26x = 5,982,029,687.15 - Step 5: Solve for x
x = 5,982,029,687.15/84,604.26 - Step 6: Final answer
x = 70,706.01
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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.