Finding the Fourth Proportional to 92,602.12, 127,674.74 and 75,589.08
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Solution
The fourth proportional to 92,602.12, 127,674.74 and 75,589.08 is: 104,218.09
Step by Step Solution
- Step 1: Write the proportion equation
92,602.12 : 127,674.74 = 75,589.08 : x - Step 2: Convert to fraction form
92,602.12/127,674.74 = 75,589.08/x - Step 3: Cross multiply
92,602.12x = 127,674.74 × 75,589.08 - Step 4: Simplify right side
92,602.12x = 9,650,816,135.84 - Step 5: Solve for x
x = 9,650,816,135.84/92,602.12 - Step 6: Final answer
x = 104,218.09
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1.5x scale
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.