Finding the Fourth Proportional to 79,665.08, 119,571.48 and 40,249.96
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Solution
The fourth proportional to 79,665.08, 119,571.48 and 40,249.96 is: 60,412.26
Step by Step Solution
- Step 1: Write the proportion equation
79,665.08 : 119,571.48 = 40,249.96 : x - Step 2: Convert to fraction form
79,665.08/119,571.48 = 40,249.96/x - Step 3: Cross multiply
79,665.08x = 119,571.48 × 40,249.96 - Step 4: Simplify right side
79,665.08x = 4,812,747,287.14 - Step 5: Solve for x
x = 4,812,747,287.14/79,665.08 - Step 6: Final answer
x = 60,412.26
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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.