Finding the Fourth Proportional to 74,445.75, 102,740.00 and 46,170.27
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Solution
The fourth proportional to 74,445.75, 102,740.00 and 46,170.27 is: 63,717.99
Step by Step Solution
- Step 1: Write the proportion equation
74,445.75 : 102,740.00 = 46,170.27 : x - Step 2: Convert to fraction form
74,445.75/102,740.00 = 46,170.27/x - Step 3: Cross multiply
74,445.75x = 102,740.00 × 46,170.27 - Step 4: Simplify right side
74,445.75x = 4,743,533,308.95 - Step 5: Solve for x
x = 4,743,533,308.95/74,445.75 - Step 6: Final answer
x = 63,717.99
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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.