Finding the Fourth Proportional to 79,616.94, 119,388.48 and 29,683.62
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Solution
The fourth proportional to 79,616.94, 119,388.48 and 29,683.62 is: 44,511.66
Step by Step Solution
- Step 1: Write the proportion equation
79,616.94 : 119,388.48 = 29,683.62 : x - Step 2: Convert to fraction form
79,616.94/119,388.48 = 29,683.62/x - Step 3: Cross multiply
79,616.94x = 119,388.48 × 29,683.62 - Step 4: Simplify right side
79,616.94x = 3,543,882,272.70 - Step 5: Solve for x
x = 3,543,882,272.70/79,616.94 - Step 6: Final answer
x = 44,511.66
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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.