Finding the Fourth Proportional to 75,350.31, 103,984.74 and 41,361.99
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Solution
The fourth proportional to 75,350.31, 103,984.74 and 41,361.99 is: 57,080.27
Step by Step Solution
- Step 1: Write the proportion equation
75,350.31 : 103,984.74 = 41,361.99 : x - Step 2: Convert to fraction form
75,350.31/103,984.74 = 41,361.99/x - Step 3: Cross multiply
75,350.31x = 103,984.74 × 41,361.99 - Step 4: Simplify right side
75,350.31x = 4,301,015,776.03 - Step 5: Solve for x
x = 4,301,015,776.03/75,350.31 - Step 6: Final answer
x = 57,080.27
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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.