Finding the Fourth Proportional to 92,513.62, 138,770.79 and 22,392.82
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Solution
The fourth proportional to 92,513.62, 138,770.79 and 22,392.82 is: 33,589.32
Step by Step Solution
- Step 1: Write the proportion equation
92,513.62 : 138,770.79 = 22,392.82 : x - Step 2: Convert to fraction form
92,513.62/138,770.79 = 22,392.82/x - Step 3: Cross multiply
92,513.62x = 138,770.79 × 22,392.82 - Step 4: Simplify right side
92,513.62x = 3,107,469,321.73 - Step 5: Solve for x
x = 3,107,469,321.73/92,513.62 - Step 6: Final answer
x = 33,589.32
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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.