Finding the Fourth Proportional to 84,678.44, 116,858.06 and 46,438.88
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Solution
The fourth proportional to 84,678.44, 116,858.06 and 46,438.88 is: 64,086.65
Step by Step Solution
- Step 1: Write the proportion equation
84,678.44 : 116,858.06 = 46,438.88 : x - Step 2: Convert to fraction form
84,678.44/116,858.06 = 46,438.88/x - Step 3: Cross multiply
84,678.44x = 116,858.06 × 46,438.88 - Step 4: Simplify right side
84,678.44x = 5,426,757,425.37 - Step 5: Solve for x
x = 5,426,757,425.37/84,678.44 - Step 6: Final answer
x = 64,086.65
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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.