Finding the Fourth Proportional to 94,587.85, 141,889.95 and 27,120.18
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Solution
The fourth proportional to 94,587.85, 141,889.95 and 27,120.18 is: 40,682.62
Step by Step Solution
- Step 1: Write the proportion equation
94,587.85 : 141,889.95 = 27,120.18 : x - Step 2: Convert to fraction form
94,587.85/141,889.95 = 27,120.18/x - Step 3: Cross multiply
94,587.85x = 141,889.95 × 27,120.18 - Step 4: Simplify right side
94,587.85x = 3,848,080,984.19 - Step 5: Solve for x
x = 3,848,080,984.19/94,587.85 - Step 6: Final answer
x = 40,682.62
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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.