Finding the Fourth Proportional to 77,047.62, 115,589.16 and 32,676.09
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Solution
The fourth proportional to 77,047.62, 115,589.16 and 32,676.09 is: 49,021.65
Step by Step Solution
- Step 1: Write the proportion equation
77,047.62 : 115,589.16 = 32,676.09 : x - Step 2: Convert to fraction form
77,047.62/115,589.16 = 32,676.09/x - Step 3: Cross multiply
77,047.62x = 115,589.16 × 32,676.09 - Step 4: Simplify right side
77,047.62x = 3,777,001,795.18 - Step 5: Solve for x
x = 3,777,001,795.18/77,047.62 - Step 6: Final answer
x = 49,021.65
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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.