Finding the Fourth Proportional to 79,755.83, 110,070.80 and 59,577.68
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Solution
The fourth proportional to 79,755.83, 110,070.80 and 59,577.68 is: 82,222.99
Step by Step Solution
- Step 1: Write the proportion equation
79,755.83 : 110,070.80 = 59,577.68 : x - Step 2: Convert to fraction form
79,755.83/110,070.80 = 59,577.68/x - Step 3: Cross multiply
79,755.83x = 110,070.80 × 59,577.68 - Step 4: Simplify right side
79,755.83x = 6,557,762,051.50 - Step 5: Solve for x
x = 6,557,762,051.50/79,755.83 - Step 6: Final answer
x = 82,222.99
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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.