Finding the Fourth Proportional to 115,634.48, 173,463.24 and 31,395.99
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Solution
The fourth proportional to 115,634.48, 173,463.24 and 31,395.99 is: 47,097.11
Step by Step Solution
- Step 1: Write the proportion equation
115,634.48 : 173,463.24 = 31,395.99 : x - Step 2: Convert to fraction form
115,634.48/173,463.24 = 31,395.99/x - Step 3: Cross multiply
115,634.48x = 173,463.24 × 31,395.99 - Step 4: Simplify right side
115,634.48x = 5,446,050,148.41 - Step 5: Solve for x
x = 5,446,050,148.41/115,634.48 - Step 6: Final answer
x = 47,097.11
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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.