Finding the Fourth Proportional to 95,805.40, 132,205.08 and 55,511.99
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Solution
The fourth proportional to 95,805.40, 132,205.08 and 55,511.99 is: 76,602.85
Step by Step Solution
- Step 1: Write the proportion equation
95,805.40 : 132,205.08 = 55,511.99 : x - Step 2: Convert to fraction form
95,805.40/132,205.08 = 55,511.99/x - Step 3: Cross multiply
95,805.40x = 132,205.08 × 55,511.99 - Step 4: Simplify right side
95,805.40x = 7,338,967,078.91 - Step 5: Solve for x
x = 7,338,967,078.91/95,805.40 - Step 6: Final answer
x = 76,602.85
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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.