Finding the Fourth Proportional to 84,955.12, 117,241.08 and 46,717.60
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Solution
The fourth proportional to 84,955.12, 117,241.08 and 46,717.60 is: 64,471.95
Step by Step Solution
- Step 1: Write the proportion equation
84,955.12 : 117,241.08 = 46,717.60 : x - Step 2: Convert to fraction form
84,955.12/117,241.08 = 46,717.60/x - Step 3: Cross multiply
84,955.12x = 117,241.08 × 46,717.60 - Step 4: Simplify right side
84,955.12x = 5,477,221,879.01 - Step 5: Solve for x
x = 5,477,221,879.01/84,955.12 - Step 6: Final answer
x = 64,471.95
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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.