Finding the Fourth Proportional to 83,784.96, 125,650.80 and 27,614.60
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Solution
The fourth proportional to 83,784.96, 125,650.80 and 27,614.60 is: 41,413.12
Step by Step Solution
- Step 1: Write the proportion equation
83,784.96 : 125,650.80 = 27,614.60 : x - Step 2: Convert to fraction form
83,784.96/125,650.80 = 27,614.60/x - Step 3: Cross multiply
83,784.96x = 125,650.80 × 27,614.60 - Step 4: Simplify right side
83,784.96x = 3,469,796,581.68 - Step 5: Solve for x
x = 3,469,796,581.68/83,784.96 - Step 6: Final answer
x = 41,413.12
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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.