Finding the Fourth Proportional to 86,286.48, 129,460.68 and 33,733.68
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Solution
The fourth proportional to 86,286.48, 129,460.68 and 33,733.68 is: 50,612.62
Step by Step Solution
- Step 1: Write the proportion equation
86,286.48 : 129,460.68 = 33,733.68 : x - Step 2: Convert to fraction form
86,286.48/129,460.68 = 33,733.68/x - Step 3: Cross multiply
86,286.48x = 129,460.68 × 33,733.68 - Step 4: Simplify right side
86,286.48x = 4,367,185,151.70 - Step 5: Solve for x
x = 4,367,185,151.70/86,286.48 - Step 6: Final answer
x = 50,612.62
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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.