Finding the Fourth Proportional to 92,449.08, 138,674.70 and 33,286.14
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Solution
The fourth proportional to 92,449.08, 138,674.70 and 33,286.14 is: 49,929.60
Step by Step Solution
- Step 1: Write the proportion equation
92,449.08 : 138,674.70 = 33,286.14 : x - Step 2: Convert to fraction form
92,449.08/138,674.70 = 33,286.14/x - Step 3: Cross multiply
92,449.08x = 138,674.70 × 33,286.14 - Step 4: Simplify right side
92,449.08x = 4,615,945,478.66 - Step 5: Solve for x
x = 4,615,945,478.66/92,449.08 - Step 6: Final answer
x = 49,929.60
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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.