Finding the Fourth Proportional to 84,072.46, 126,141.50 and 48,514.99
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Solution
The fourth proportional to 84,072.46, 126,141.50 and 48,514.99 is: 72,791.42
Step by Step Solution
- Step 1: Write the proportion equation
84,072.46 : 126,141.50 = 48,514.99 : x - Step 2: Convert to fraction form
84,072.46/126,141.50 = 48,514.99/x - Step 3: Cross multiply
84,072.46x = 126,141.50 × 48,514.99 - Step 4: Simplify right side
84,072.46x = 6,119,753,611.09 - Step 5: Solve for x
x = 6,119,753,611.09/84,072.46 - Step 6: Final answer
x = 72,791.42
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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.