Finding the Fourth Proportional to 76,936.22, 115,607.28 and 41,423.79
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Solution
The fourth proportional to 76,936.22, 115,607.28 and 41,423.79 is: 62,244.96
Step by Step Solution
- Step 1: Write the proportion equation
76,936.22 : 115,607.28 = 41,423.79 : x - Step 2: Convert to fraction form
76,936.22/115,607.28 = 41,423.79/x - Step 3: Cross multiply
76,936.22x = 115,607.28 × 41,423.79 - Step 4: Simplify right side
76,936.22x = 4,788,891,689.19 - Step 5: Solve for x
x = 4,788,891,689.19/76,936.22 - Step 6: Final answer
x = 62,244.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.