Finding the Fourth Proportional to 75,481.09, 104,166.54 and 41,490.99
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Solution
The fourth proportional to 75,481.09, 104,166.54 and 41,490.99 is: 57,259.02
Step by Step Solution
- Step 1: Write the proportion equation
75,481.09 : 104,166.54 = 41,490.99 : x - Step 2: Convert to fraction form
75,481.09/104,166.54 = 41,490.99/x - Step 3: Cross multiply
75,481.09x = 104,166.54 × 41,490.99 - Step 4: Simplify right side
75,481.09x = 4,321,972,869.47 - Step 5: Solve for x
x = 4,321,972,869.47/75,481.09 - Step 6: Final answer
x = 57,259.02
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1.5x scale
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.