Finding the Fourth Proportional to 94,918.12, 142,375.26 and 28,358.44
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Solution
The fourth proportional to 94,918.12, 142,375.26 and 28,358.44 is: 42,537.09
Step by Step Solution
- Step 1: Write the proportion equation
94,918.12 : 142,375.26 = 28,358.44 : x - Step 2: Convert to fraction form
94,918.12/142,375.26 = 28,358.44/x - Step 3: Cross multiply
94,918.12x = 142,375.26 × 28,358.44 - Step 4: Simplify right side
94,918.12x = 4,037,540,268.19 - Step 5: Solve for x
x = 4,037,540,268.19/94,918.12 - Step 6: Final answer
x = 42,537.09
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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.