Finding the Fourth Proportional to 75,515.34, 113,117.48 and 44,275.26
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Solution
The fourth proportional to 75,515.34, 113,117.48 and 44,275.26 is: 66,321.70
Step by Step Solution
- Step 1: Write the proportion equation
75,515.34 : 113,117.48 = 44,275.26 : x - Step 2: Convert to fraction form
75,515.34/113,117.48 = 44,275.26/x - Step 3: Cross multiply
75,515.34x = 113,117.48 × 44,275.26 - Step 4: Simplify right side
75,515.34x = 5,008,305,837.54 - Step 5: Solve for x
x = 5,008,305,837.54/75,515.34 - Step 6: Final answer
x = 66,321.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.