Finding the Fourth Proportional to 87,804.81, 131,736.78 and 27,843.08
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Solution
The fourth proportional to 87,804.81, 131,736.78 and 27,843.08 is: 41,773.99
Step by Step Solution
- Step 1: Write the proportion equation
87,804.81 : 131,736.78 = 27,843.08 : x - Step 2: Convert to fraction form
87,804.81/131,736.78 = 27,843.08/x - Step 3: Cross multiply
87,804.81x = 131,736.78 × 27,843.08 - Step 4: Simplify right side
87,804.81x = 3,667,957,045.80 - Step 5: Solve for x
x = 3,667,957,045.80/87,804.81 - Step 6: Final answer
x = 41,773.99
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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.