Finding the Fourth Proportional to 91,604.52, 137,407.09 and 32,441.92
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Solution
The fourth proportional to 91,604.52, 137,407.09 and 32,441.92 is: 48,662.99
Step by Step Solution
- Step 1: Write the proportion equation
91,604.52 : 137,407.09 = 32,441.92 : x - Step 2: Convert to fraction form
91,604.52/137,407.09 = 32,441.92/x - Step 3: Cross multiply
91,604.52x = 137,407.09 × 32,441.92 - Step 4: Simplify right side
91,604.52x = 4,457,749,821.21 - Step 5: Solve for x
x = 4,457,749,821.21/91,604.52 - Step 6: Final answer
x = 48,662.99
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1.5x scale
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.