Finding the Fourth Proportional to 84,241.62, 116,076.24 and 57,336.66
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Solution
The fourth proportional to 84,241.62, 116,076.24 and 57,336.66 is: 79,003.99
Step by Step Solution
- Step 1: Write the proportion equation
84,241.62 : 116,076.24 = 57,336.66 : x - Step 2: Convert to fraction form
84,241.62/116,076.24 = 57,336.66/x - Step 3: Cross multiply
84,241.62x = 116,076.24 × 57,336.66 - Step 4: Simplify right side
84,241.62x = 6,655,423,906.96 - Step 5: Solve for x
x = 6,655,423,906.96/84,241.62 - Step 6: Final answer
x = 79,003.99
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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.