Finding the Fourth Proportional to 75,486.13, 104,171.13 and 41,497.56
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Solution
The fourth proportional to 75,486.13, 104,171.13 and 41,497.56 is: 57,266.78
Step by Step Solution
- Step 1: Write the proportion equation
75,486.13 : 104,171.13 = 41,497.56 : x - Step 2: Convert to fraction form
75,486.13/104,171.13 = 41,497.56/x - Step 3: Cross multiply
75,486.13x = 104,171.13 × 41,497.56 - Step 4: Simplify right side
75,486.13x = 4,322,847,717.44 - Step 5: Solve for x
x = 4,322,847,717.44/75,486.13 - Step 6: Final answer
x = 57,266.78
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1.5x scale
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.