Finding the Fourth Proportional to 77,338.60, 115,993.26 and 27,416.68
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Solution
The fourth proportional to 77,338.60, 115,993.26 and 27,416.68 is: 41,119.83
Step by Step Solution
- Step 1: Write the proportion equation
77,338.60 : 115,993.26 = 27,416.68 : x - Step 2: Convert to fraction form
77,338.60/115,993.26 = 27,416.68/x - Step 3: Cross multiply
77,338.60x = 115,993.26 × 27,416.68 - Step 4: Simplify right side
77,338.60x = 3,180,150,091.58 - Step 5: Solve for x
x = 3,180,150,091.58/77,338.60 - Step 6: Final answer
x = 41,119.83
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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.