Finding the Fourth Proportional to 79,794.84, 119,695.90 and 29,861.98
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Solution
The fourth proportional to 79,794.84, 119,695.90 and 29,861.98 is: 44,794.33
Step by Step Solution
- Step 1: Write the proportion equation
79,794.84 : 119,695.90 = 29,861.98 : x - Step 2: Convert to fraction form
79,794.84/119,695.90 = 29,861.98/x - Step 3: Cross multiply
79,794.84x = 119,695.90 × 29,861.98 - Step 4: Simplify right side
79,794.84x = 3,574,356,571.88 - Step 5: Solve for x
x = 3,574,356,571.88/79,794.84 - Step 6: Final answer
x = 44,794.33
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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.