Finding the Fourth Proportional to 121,725.38, 182,653.68 and 50,697.09
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Solution
The fourth proportional to 121,725.38, 182,653.68 and 50,697.09 is: 76,072.96
Step by Step Solution
- Step 1: Write the proportion equation
121,725.38 : 182,653.68 = 50,697.09 : x - Step 2: Convert to fraction form
121,725.38/182,653.68 = 50,697.09/x - Step 3: Cross multiply
121,725.38x = 182,653.68 × 50,697.09 - Step 4: Simplify right side
121,725.38x = 9,260,010,243.91 - Step 5: Solve for x
x = 9,260,010,243.91/121,725.38 - Step 6: Final answer
x = 76,072.96
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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.