Finding the Fourth Proportional to 76,849.52, 115,286.20 and 32,476.44
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Solution
The fourth proportional to 76,849.52, 115,286.20 and 32,476.44 is: 48,719.70
Step by Step Solution
- Step 1: Write the proportion equation
76,849.52 : 115,286.20 = 32,476.44 : x - Step 2: Convert to fraction form
76,849.52/115,286.20 = 32,476.44/x - Step 3: Cross multiply
76,849.52x = 115,286.20 × 32,476.44 - Step 4: Simplify right side
76,849.52x = 3,744,085,357.13 - Step 5: Solve for x
x = 3,744,085,357.13/76,849.52 - Step 6: Final answer
x = 48,719.70
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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.