Finding the Fourth Proportional to 84,942.68, 117,222.28 and 46,703.81
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Solution
The fourth proportional to 84,942.68, 117,222.28 and 46,703.81 is: 64,452.02
Step by Step Solution
- Step 1: Write the proportion equation
84,942.68 : 117,222.28 = 46,703.81 : x - Step 2: Convert to fraction form
84,942.68/117,222.28 = 46,703.81/x - Step 3: Cross multiply
84,942.68x = 117,222.28 × 46,703.81 - Step 4: Simplify right side
84,942.68x = 5,474,727,269.18 - Step 5: Solve for x
x = 5,474,727,269.18/84,942.68 - Step 6: Final answer
x = 64,452.02
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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.