Finding the Fourth Proportional to 91,192.92, 125,841.01 and 50,909.23
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Solution
The fourth proportional to 91,192.92, 125,841.01 and 50,909.23 is: 70,251.82
Step by Step Solution
- Step 1: Write the proportion equation
91,192.92 : 125,841.01 = 50,909.23 : x - Step 2: Convert to fraction form
91,192.92/125,841.01 = 50,909.23/x - Step 3: Cross multiply
91,192.92x = 125,841.01 × 50,909.23 - Step 4: Simplify right side
91,192.92x = 6,406,468,787.99 - Step 5: Solve for x
x = 6,406,468,787.99/91,192.92 - Step 6: Final answer
x = 70,251.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.