Finding the Fourth Proportional to 79,933.35, 110,292.68 and 48,104.30
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Solution
The fourth proportional to 79,933.35, 110,292.68 and 48,104.30 is: 66,374.69
Step by Step Solution
- Step 1: Write the proportion equation
79,933.35 : 110,292.68 = 48,104.30 : x - Step 2: Convert to fraction form
79,933.35/110,292.68 = 48,104.30/x - Step 3: Cross multiply
79,933.35x = 110,292.68 × 48,104.30 - Step 4: Simplify right side
79,933.35x = 5,305,551,615.06 - Step 5: Solve for x
x = 5,305,551,615.06/79,933.35 - Step 6: Final answer
x = 66,374.69
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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.