Finding the Fourth Proportional to 79,817.09, 119,725.64 and 27,227.03
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Solution
The fourth proportional to 79,817.09, 119,725.64 and 27,227.03 is: 40,840.54
Step by Step Solution
- Step 1: Write the proportion equation
79,817.09 : 119,725.64 = 27,227.03 : x - Step 2: Convert to fraction form
79,817.09/119,725.64 = 27,227.03/x - Step 3: Cross multiply
79,817.09x = 119,725.64 × 27,227.03 - Step 4: Simplify right side
79,817.09x = 3,259,772,857.29 - Step 5: Solve for x
x = 3,259,772,857.29/79,817.09 - Step 6: Final answer
x = 40,840.54
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1.5x scale
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.