Finding the Fourth Proportional to 79,427.99, 119,066.76 and 29,474.18
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Solution
The fourth proportional to 79,427.99, 119,066.76 and 29,474.18 is: 44,183.35
Step by Step Solution
- Step 1: Write the proportion equation
79,427.99 : 119,066.76 = 29,474.18 : x - Step 2: Convert to fraction form
79,427.99/119,066.76 = 29,474.18/x - Step 3: Cross multiply
79,427.99x = 119,066.76 × 29,474.18 - Step 4: Simplify right side
79,427.99x = 3,509,394,967.42 - Step 5: Solve for x
x = 3,509,394,967.42/79,427.99 - Step 6: Final answer
x = 44,183.35
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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.