Finding the Fourth Proportional to 77,049.46, 115,582.70 and 32,680.09
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Solution
The fourth proportional to 77,049.46, 115,582.70 and 32,680.09 is: 49,023.74
Step by Step Solution
- Step 1: Write the proportion equation
77,049.46 : 115,582.70 = 32,680.09 : x - Step 2: Convert to fraction form
77,049.46/115,582.70 = 32,680.09/x - Step 3: Cross multiply
77,049.46x = 115,582.70 × 32,680.09 - Step 4: Simplify right side
77,049.46x = 3,777,253,038.44 - Step 5: Solve for x
x = 3,777,253,038.44/77,049.46 - Step 6: Final answer
x = 49,023.74
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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.