Finding the Fourth Proportional to 84,812.54, 117,043.17 and 48,015.68
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Solution
The fourth proportional to 84,812.54, 117,043.17 and 48,015.68 is: 66,262.69
Step by Step Solution
- Step 1: Write the proportion equation
84,812.54 : 117,043.17 = 48,015.68 : x - Step 2: Convert to fraction form
84,812.54/117,043.17 = 48,015.68/x - Step 3: Cross multiply
84,812.54x = 117,043.17 × 48,015.68 - Step 4: Simplify right side
84,812.54x = 5,619,907,396.91 - Step 5: Solve for x
x = 5,619,907,396.91/84,812.54 - Step 6: Final answer
x = 66,262.69
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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.