Finding the Fourth Proportional to 84,917.28, 117,182.62 and 47,193.96
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Solution
The fourth proportional to 84,917.28, 117,182.62 and 47,193.96 is: 65,125.87
Step by Step Solution
- Step 1: Write the proportion equation
84,917.28 : 117,182.62 = 47,193.96 : x - Step 2: Convert to fraction form
84,917.28/117,182.62 = 47,193.96/x - Step 3: Cross multiply
84,917.28x = 117,182.62 × 47,193.96 - Step 4: Simplify right side
84,917.28x = 5,530,311,880.98 - Step 5: Solve for x
x = 5,530,311,880.98/84,917.28 - Step 6: Final answer
x = 65,125.87
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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.