Finding the Fourth Proportional to 84,961.88, 117,247.38 and 46,722.08
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Solution
The fourth proportional to 84,961.88, 117,247.38 and 46,722.08 is: 64,476.46
Step by Step Solution
- Step 1: Write the proportion equation
84,961.88 : 117,247.38 = 46,722.08 : x - Step 2: Convert to fraction form
84,961.88/117,247.38 = 46,722.08/x - Step 3: Cross multiply
84,961.88x = 117,247.38 × 46,722.08 - Step 4: Simplify right side
84,961.88x = 5,478,041,468.15 - Step 5: Solve for x
x = 5,478,041,468.15/84,961.88 - Step 6: Final answer
x = 64,476.46
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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.