Finding the Fourth Proportional to 96,162.62, 132,704.50 and 53,722.14
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Solution
The fourth proportional to 96,162.62, 132,704.50 and 53,722.14 is: 74,136.60
Step by Step Solution
- Step 1: Write the proportion equation
96,162.62 : 132,704.50 = 53,722.14 : x - Step 2: Convert to fraction form
96,162.62/132,704.50 = 53,722.14/x - Step 3: Cross multiply
96,162.62x = 132,704.50 × 53,722.14 - Step 4: Simplify right side
96,162.62x = 7,129,169,727.63 - Step 5: Solve for x
x = 7,129,169,727.63/96,162.62 - Step 6: Final answer
x = 74,136.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.