Finding the Fourth Proportional to 75,860.97, 104,687.63 and 41,869.46
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Solution
The fourth proportional to 75,860.97, 104,687.63 and 41,869.46 is: 57,779.56
Step by Step Solution
- Step 1: Write the proportion equation
75,860.97 : 104,687.63 = 41,869.46 : x - Step 2: Convert to fraction form
75,860.97/104,687.63 = 41,869.46/x - Step 3: Cross multiply
75,860.97x = 104,687.63 × 41,869.46 - Step 4: Simplify right side
75,860.97x = 4,383,213,803.99 - Step 5: Solve for x
x = 4,383,213,803.99/75,860.97 - Step 6: Final answer
x = 57,779.56
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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.