Finding the Fourth Proportional to 77,241.21, 106,568.10 and 43,244.70
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Solution
The fourth proportional to 77,241.21, 106,568.10 and 43,244.70 is: 59,663.82
Step by Step Solution
- Step 1: Write the proportion equation
77,241.21 : 106,568.10 = 43,244.70 : x - Step 2: Convert to fraction form
77,241.21/106,568.10 = 43,244.70/x - Step 3: Cross multiply
77,241.21x = 106,568.10 × 43,244.70 - Step 4: Simplify right side
77,241.21x = 4,608,505,514.07 - Step 5: Solve for x
x = 4,608,505,514.07/77,241.21 - Step 6: Final answer
x = 59,663.82
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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.