Finding the Fourth Proportional to 71,754.84, 107,631.18 and 32,284.08
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Solution
The fourth proportional to 71,754.84, 107,631.18 and 32,284.08 is: 48,425.63
Step by Step Solution
- Step 1: Write the proportion equation
71,754.84 : 107,631.18 = 32,284.08 : x - Step 2: Convert to fraction form
71,754.84/107,631.18 = 32,284.08/x - Step 3: Cross multiply
71,754.84x = 107,631.18 × 32,284.08 - Step 4: Simplify right side
71,754.84x = 3,474,773,625.61 - Step 5: Solve for x
x = 3,474,773,625.61/71,754.84 - Step 6: Final answer
x = 48,425.63
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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.