Finding the Fourth Proportional to 75,961.06, 104,893.79 and 47,329.99
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Solution
The fourth proportional to 75,961.06, 104,893.79 and 47,329.99 is: 65,357.46
Step by Step Solution
- Step 1: Write the proportion equation
75,961.06 : 104,893.79 = 47,329.99 : x - Step 2: Convert to fraction form
75,961.06/104,893.79 = 47,329.99/x - Step 3: Cross multiply
75,961.06x = 104,893.79 × 47,329.99 - Step 4: Simplify right side
75,961.06x = 4,964,621,532.88 - Step 5: Solve for x
x = 4,964,621,532.88/75,961.06 - Step 6: Final answer
x = 65,357.46
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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.