Finding the Fourth Proportional to 107,511.21, 161,267.19 and 32,631.99
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Solution
The fourth proportional to 107,511.21, 161,267.19 and 32,631.99 is: 48,948.10
Step by Step Solution
- Step 1: Write the proportion equation
107,511.21 : 161,267.19 = 32,631.99 : x - Step 2: Convert to fraction form
107,511.21/161,267.19 = 32,631.99/x - Step 3: Cross multiply
107,511.21x = 161,267.19 × 32,631.99 - Step 4: Simplify right side
107,511.21x = 5,262,469,331.41 - Step 5: Solve for x
x = 5,262,469,331.41/107,511.21 - Step 6: Final answer
x = 48,948.10
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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.