Finding the Fourth Proportional to 90,514.63, 124,912.47 and 50,230.09
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Solution
The fourth proportional to 90,514.63, 124,912.47 and 50,230.09 is: 69,318.79
Step by Step Solution
- Step 1: Write the proportion equation
90,514.63 : 124,912.47 = 50,230.09 : x - Step 2: Convert to fraction form
90,514.63/124,912.47 = 50,230.09/x - Step 3: Cross multiply
90,514.63x = 124,912.47 × 50,230.09 - Step 4: Simplify right side
90,514.63x = 6,274,365,023.96 - Step 5: Solve for x
x = 6,274,365,023.96/90,514.63 - Step 6: Final answer
x = 69,318.79
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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.