Finding the Fourth Proportional to 94,514.62, 130,433.13 and 54,235.75
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Solution
The fourth proportional to 94,514.62, 130,433.13 and 54,235.75 is: 74,847.02
Step by Step Solution
- Step 1: Write the proportion equation
94,514.62 : 130,433.13 = 54,235.75 : x - Step 2: Convert to fraction form
94,514.62/130,433.13 = 54,235.75/x - Step 3: Cross multiply
94,514.62x = 130,433.13 × 54,235.75 - Step 4: Simplify right side
94,514.62x = 7,074,137,707.05 - Step 5: Solve for x
x = 7,074,137,707.05/94,514.62 - Step 6: Final answer
x = 74,847.02
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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.