Finding the Fourth Proportional to 79,936.82, 110,312.84 and 44,126.86
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Solution
The fourth proportional to 79,936.82, 110,312.84 and 44,126.86 is: 60,895.08
Step by Step Solution
- Step 1: Write the proportion equation
79,936.82 : 110,312.84 = 44,126.86 : x - Step 2: Convert to fraction form
79,936.82/110,312.84 = 44,126.86/x - Step 3: Cross multiply
79,936.82x = 110,312.84 × 44,126.86 - Step 4: Simplify right side
79,936.82x = 4,867,759,040.04 - Step 5: Solve for x
x = 4,867,759,040.04/79,936.82 - Step 6: Final answer
x = 60,895.08
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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.