Finding the Fourth Proportional to 75,809.09, 104,608.18 and 43,971.84
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Solution
The fourth proportional to 75,809.09, 104,608.18 and 43,971.84 is: 60,676.28
Step by Step Solution
- Step 1: Write the proportion equation
75,809.09 : 104,608.18 = 43,971.84 : x - Step 2: Convert to fraction form
75,809.09/104,608.18 = 43,971.84/x - Step 3: Cross multiply
75,809.09x = 104,608.18 × 43,971.84 - Step 4: Simplify right side
75,809.09x = 4,599,814,043.72 - Step 5: Solve for x
x = 4,599,814,043.72/75,809.09 - Step 6: Final answer
x = 60,676.28
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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.