Finding the Fourth Proportional to 81,606.06, 122,409.77 and 22,444.97
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Solution
The fourth proportional to 81,606.06, 122,409.77 and 22,444.97 is: 33,667.63
Step by Step Solution
- Step 1: Write the proportion equation
81,606.06 : 122,409.77 = 22,444.97 : x - Step 2: Convert to fraction form
81,606.06/122,409.77 = 22,444.97/x - Step 3: Cross multiply
81,606.06x = 122,409.77 × 22,444.97 - Step 4: Simplify right side
81,606.06x = 2,747,482,891.08 - Step 5: Solve for x
x = 2,747,482,891.08/81,606.06 - Step 6: Final answer
x = 33,667.63
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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.