Finding the Fourth Proportional to 92,517.24, 138,772.90 and 39,194.99
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Solution
The fourth proportional to 92,517.24, 138,772.90 and 39,194.99 is: 58,791.23
Step by Step Solution
- Step 1: Write the proportion equation
92,517.24 : 138,772.90 = 39,194.99 : x - Step 2: Convert to fraction form
92,517.24/138,772.90 = 39,194.99/x - Step 3: Cross multiply
92,517.24x = 138,772.90 × 39,194.99 - Step 4: Simplify right side
92,517.24x = 5,439,202,082.83 - Step 5: Solve for x
x = 5,439,202,082.83/92,517.24 - Step 6: Final answer
x = 58,791.23
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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.