Finding the Fourth Proportional to 79,633.26, 119,448.81 and 27,079.38
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Solution
The fourth proportional to 79,633.26, 119,448.81 and 27,079.38 is: 40,618.70
Step by Step Solution
- Step 1: Write the proportion equation
79,633.26 : 119,448.81 = 27,079.38 : x - Step 2: Convert to fraction form
79,633.26/119,448.81 = 27,079.38/x - Step 3: Cross multiply
79,633.26x = 119,448.81 × 27,079.38 - Step 4: Simplify right side
79,633.26x = 3,234,599,716.54 - Step 5: Solve for x
x = 3,234,599,716.54/79,633.26 - Step 6: Final answer
x = 40,618.70
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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.