Finding the Fourth Proportional to 79,729.44, 119,526.26 and 35,331.99
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Solution
The fourth proportional to 79,729.44, 119,526.26 and 35,331.99 is: 52,967.89
Step by Step Solution
- Step 1: Write the proportion equation
79,729.44 : 119,526.26 = 35,331.99 : x - Step 2: Convert to fraction form
79,729.44/119,526.26 = 35,331.99/x - Step 3: Cross multiply
79,729.44x = 119,526.26 × 35,331.99 - Step 4: Simplify right side
79,729.44x = 4,223,100,446.40 - Step 5: Solve for x
x = 4,223,100,446.40/79,729.44 - Step 6: Final answer
x = 52,967.89
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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.