Finding the Fourth Proportional to 96,939.42, 145,409.36 and 29,472.05
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Solution
The fourth proportional to 96,939.42, 145,409.36 and 29,472.05 is: 44,208.14
Step by Step Solution
- Step 1: Write the proportion equation
96,939.42 : 145,409.36 = 29,472.05 : x - Step 2: Convert to fraction form
96,939.42/145,409.36 = 29,472.05/x - Step 3: Cross multiply
96,939.42x = 145,409.36 × 29,472.05 - Step 4: Simplify right side
96,939.42x = 4,285,511,053.98 - Step 5: Solve for x
x = 4,285,511,053.98/96,939.42 - Step 6: Final answer
x = 44,208.14
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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.