Finding the Fourth Proportional to 107,687.66, 148,608.98 and 59,939.99
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Solution
The fourth proportional to 107,687.66, 148,608.98 and 59,939.99 is: 82,717.18
Step by Step Solution
- Step 1: Write the proportion equation
107,687.66 : 148,608.98 = 59,939.99 : x - Step 2: Convert to fraction form
107,687.66/148,608.98 = 59,939.99/x - Step 3: Cross multiply
107,687.66x = 148,608.98 × 59,939.99 - Step 4: Simplify right side
107,687.66x = 8,907,619,732.37 - Step 5: Solve for x
x = 8,907,619,732.37/107,687.66 - Step 6: Final answer
x = 82,717.18
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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.