Finding the Fourth Proportional to 113,167.26, 169,787.70 and 53,995.26
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Solution
The fourth proportional to 113,167.26, 169,787.70 and 53,995.26 is: 81,010.45
Step by Step Solution
- Step 1: Write the proportion equation
113,167.26 : 169,787.70 = 53,995.26 : x - Step 2: Convert to fraction form
113,167.26/169,787.70 = 53,995.26/x - Step 3: Cross multiply
113,167.26x = 169,787.70 × 53,995.26 - Step 4: Simplify right side
113,167.26x = 9,167,731,006.30 - Step 5: Solve for x
x = 9,167,731,006.30/113,167.26 - Step 6: Final answer
x = 81,010.45
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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.