Finding the Fourth Proportional to 79,526.44, 109,745.18 and 43,715.68
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Solution
The fourth proportional to 79,526.44, 109,745.18 and 43,715.68 is: 60,326.92
Step by Step Solution
- Step 1: Write the proportion equation
79,526.44 : 109,745.18 = 43,715.68 : x - Step 2: Convert to fraction form
79,526.44/109,745.18 = 43,715.68/x - Step 3: Cross multiply
79,526.44x = 109,745.18 × 43,715.68 - Step 4: Simplify right side
79,526.44x = 4,797,585,170.42 - Step 5: Solve for x
x = 4,797,585,170.42/79,526.44 - Step 6: Final answer
x = 60,326.92
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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.