Finding the Fourth Proportional to 75,241.64, 112,782.87 and 27,826.26
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Solution
The fourth proportional to 75,241.64, 112,782.87 and 27,826.26 is: 41,709.96
Step by Step Solution
- Step 1: Write the proportion equation
75,241.64 : 112,782.87 = 27,826.26 : x - Step 2: Convert to fraction form
75,241.64/112,782.87 = 27,826.26/x - Step 3: Cross multiply
75,241.64x = 112,782.87 × 27,826.26 - Step 4: Simplify right side
75,241.64x = 3,138,325,464.17 - Step 5: Solve for x
x = 3,138,325,464.17/75,241.64 - Step 6: Final answer
x = 41,709.96
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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.