Finding the Fourth Proportional to 86,034.84, 129,052.26 and 33,456.63
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Solution
The fourth proportional to 86,034.84, 129,052.26 and 33,456.63 is: 50,184.95
Step by Step Solution
- Step 1: Write the proportion equation
86,034.84 : 129,052.26 = 33,456.63 : x - Step 2: Convert to fraction form
86,034.84/129,052.26 = 33,456.63/x - Step 3: Cross multiply
86,034.84x = 129,052.26 × 33,456.63 - Step 4: Simplify right side
86,034.84x = 4,317,653,713.48 - Step 5: Solve for x
x = 4,317,653,713.48/86,034.84 - Step 6: Final answer
x = 50,184.95
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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.