Finding the Fourth Proportional to 84,958.21, 117,249.80 and 46,724.49
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Solution
The fourth proportional to 84,958.21, 117,249.80 and 46,724.49 is: 64,483.90
Step by Step Solution
- Step 1: Write the proportion equation
84,958.21 : 117,249.80 = 46,724.49 : x - Step 2: Convert to fraction form
84,958.21/117,249.80 = 46,724.49/x - Step 3: Cross multiply
84,958.21x = 117,249.80 × 46,724.49 - Step 4: Simplify right side
84,958.21x = 5,478,437,107.60 - Step 5: Solve for x
x = 5,478,437,107.60/84,958.21 - Step 6: Final answer
x = 64,483.90
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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.