Finding the Fourth Proportional to 81,268.06, 121,871.77 and 27,944.95
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Solution
The fourth proportional to 81,268.06, 121,871.77 and 27,944.95 is: 41,907.00
Step by Step Solution
- Step 1: Write the proportion equation
81,268.06 : 121,871.77 = 27,944.95 : x - Step 2: Convert to fraction form
81,268.06/121,871.77 = 27,944.95/x - Step 3: Cross multiply
81,268.06x = 121,871.77 × 27,944.95 - Step 4: Simplify right side
81,268.06x = 3,405,700,706.33 - Step 5: Solve for x
x = 3,405,700,706.33/81,268.06 - Step 6: Final answer
x = 41,907.00
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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.