Finding the Fourth Proportional to 80,793.09, 111,465.54 and 46,782.99
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Solution
The fourth proportional to 80,793.09, 111,465.54 and 46,782.99 is: 64,543.78
Step by Step Solution
- Step 1: Write the proportion equation
80,793.09 : 111,465.54 = 46,782.99 : x - Step 2: Convert to fraction form
80,793.09/111,465.54 = 46,782.99/x - Step 3: Cross multiply
80,793.09x = 111,465.54 × 46,782.99 - Step 4: Simplify right side
80,793.09x = 5,214,691,243.16 - Step 5: Solve for x
x = 5,214,691,243.16/80,793.09 - Step 6: Final answer
x = 64,543.78
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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.