Finding the Fourth Proportional to 75,645.27, 113,415.21 and 33,502.44
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Solution
The fourth proportional to 75,645.27, 113,415.21 and 33,502.44 is: 50,230.32
Step by Step Solution
- Step 1: Write the proportion equation
75,645.27 : 113,415.21 = 33,502.44 : x - Step 2: Convert to fraction form
75,645.27/113,415.21 = 33,502.44/x - Step 3: Cross multiply
75,645.27x = 113,415.21 × 33,502.44 - Step 4: Simplify right side
75,645.27x = 3,799,686,268.11 - Step 5: Solve for x
x = 3,799,686,268.11/75,645.27 - Step 6: Final answer
x = 50,230.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.