Finding the Fourth Proportional to 75,821.88, 104,625.74 and 43,984.62
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Solution
The fourth proportional to 75,821.88, 104,625.74 and 43,984.62 is: 60,693.87
Step by Step Solution
- Step 1: Write the proportion equation
75,821.88 : 104,625.74 = 43,984.62 : x - Step 2: Convert to fraction form
75,821.88/104,625.74 = 43,984.62/x - Step 3: Cross multiply
75,821.88x = 104,625.74 × 43,984.62 - Step 4: Simplify right side
75,821.88x = 4,601,923,196.20 - Step 5: Solve for x
x = 4,601,923,196.20/75,821.88 - Step 6: Final answer
x = 60,693.87
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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.