Finding the Fourth Proportional to 75,232.12, 112,729.46 and 27,781.88
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Solution
The fourth proportional to 75,232.12, 112,729.46 and 27,781.88 is: 41,628.98
Step by Step Solution
- Step 1: Write the proportion equation
75,232.12 : 112,729.46 = 27,781.88 : x - Step 2: Convert to fraction form
75,232.12/112,729.46 = 27,781.88/x - Step 3: Cross multiply
75,232.12x = 112,729.46 × 27,781.88 - Step 4: Simplify right side
75,232.12x = 3,131,836,330.18 - Step 5: Solve for x
x = 3,131,836,330.18/75,232.12 - Step 6: Final answer
x = 41,628.98
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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.