Finding the Fourth Proportional to 79,741.44, 119,544.21 and 35,343.99
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Solution
The fourth proportional to 79,741.44, 119,544.21 and 35,343.99 is: 52,985.87
Step by Step Solution
- Step 1: Write the proportion equation
79,741.44 : 119,544.21 = 35,343.99 : x - Step 2: Convert to fraction form
79,741.44/119,544.21 = 35,343.99/x - Step 3: Cross multiply
79,741.44x = 119,544.21 × 35,343.99 - Step 4: Simplify right side
79,741.44x = 4,225,169,362.80 - Step 5: Solve for x
x = 4,225,169,362.80/79,741.44 - Step 6: Final answer
x = 52,985.87
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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.