Finding the Fourth Proportional to 75,369.75, 104,010.66 and 47,091.84
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Solution
The fourth proportional to 75,369.75, 104,010.66 and 47,091.84 is: 64,986.99
Step by Step Solution
- Step 1: Write the proportion equation
75,369.75 : 104,010.66 = 47,091.84 : x - Step 2: Convert to fraction form
75,369.75/104,010.66 = 47,091.84/x - Step 3: Cross multiply
75,369.75x = 104,010.66 × 47,091.84 - Step 4: Simplify right side
75,369.75x = 4,898,053,359.01 - Step 5: Solve for x
x = 4,898,053,359.01/75,369.75 - Step 6: Final answer
x = 64,986.99
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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.