Finding the Fourth Proportional to 87,092.01, 120,186.99 and 49,366.26
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Solution
The fourth proportional to 87,092.01, 120,186.99 and 49,366.26 is: 68,125.45
Step by Step Solution
- Step 1: Write the proportion equation
87,092.01 : 120,186.99 = 49,366.26 : x - Step 2: Convert to fraction form
87,092.01/120,186.99 = 49,366.26/x - Step 3: Cross multiply
87,092.01x = 120,186.99 × 49,366.26 - Step 4: Simplify right side
87,092.01x = 5,933,182,196.96 - Step 5: Solve for x
x = 5,933,182,196.96/87,092.01 - Step 6: Final answer
x = 68,125.45
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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.