Finding the Fourth Proportional to 79,956.91, 110,339.79 and 44,147.18
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Solution
The fourth proportional to 79,956.91, 110,339.79 and 44,147.18 is: 60,922.70
Step by Step Solution
- Step 1: Write the proportion equation
79,956.91 : 110,339.79 = 44,147.18 : x - Step 2: Convert to fraction form
79,956.91/110,339.79 = 44,147.18/x - Step 3: Cross multiply
79,956.91x = 110,339.79 × 44,147.18 - Step 4: Simplify right side
79,956.91x = 4,871,190,570.29 - Step 5: Solve for x
x = 4,871,190,570.29/79,956.91 - Step 6: Final answer
x = 60,922.70
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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.