Finding the Fourth Proportional to 94,139.75, 141,209.62 and 27,579.88
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Solution
The fourth proportional to 94,139.75, 141,209.62 and 27,579.88 is: 41,369.82
Step by Step Solution
- Step 1: Write the proportion equation
94,139.75 : 141,209.62 = 27,579.88 : x - Step 2: Convert to fraction form
94,139.75/141,209.62 = 27,579.88/x - Step 3: Cross multiply
94,139.75x = 141,209.62 × 27,579.88 - Step 4: Simplify right side
94,139.75x = 3,894,544,637.14 - Step 5: Solve for x
x = 3,894,544,637.14/94,139.75 - Step 6: Final answer
x = 41,369.82
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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.