Finding the Fourth Proportional to 76,133.54, 105,062.63 and 41,678.19
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Solution
The fourth proportional to 76,133.54, 105,062.63 and 41,678.19 is: 57,514.99
Step by Step Solution
- Step 1: Write the proportion equation
76,133.54 : 105,062.63 = 41,678.19 : x - Step 2: Convert to fraction form
76,133.54/105,062.63 = 41,678.19/x - Step 3: Cross multiply
76,133.54x = 105,062.63 × 41,678.19 - Step 4: Simplify right side
76,133.54x = 4,378,820,046.65 - Step 5: Solve for x
x = 4,378,820,046.65/76,133.54 - Step 6: Final answer
x = 57,514.99
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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.