Finding the Fourth Proportional to 94,175.45, 129,968.48 and 51,734.42
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Solution
The fourth proportional to 94,175.45, 129,968.48 and 51,734.42 is: 71,396.99
Step by Step Solution
- Step 1: Write the proportion equation
94,175.45 : 129,968.48 = 51,734.42 : x - Step 2: Convert to fraction form
94,175.45/129,968.48 = 51,734.42/x - Step 3: Cross multiply
94,175.45x = 129,968.48 × 51,734.42 - Step 4: Simplify right side
94,175.45x = 6,723,843,931.08 - Step 5: Solve for x
x = 6,723,843,931.08/94,175.45 - Step 6: Final answer
x = 71,396.99
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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.