Finding the Fourth Proportional to 71,977.24, 107,966.49 and 27,593.46
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Solution
The fourth proportional to 71,977.24, 107,966.49 and 27,593.46 is: 41,390.43
Step by Step Solution
- Step 1: Write the proportion equation
71,977.24 : 107,966.49 = 27,593.46 : x - Step 2: Convert to fraction form
71,977.24/107,966.49 = 27,593.46/x - Step 3: Cross multiply
71,977.24x = 107,966.49 × 27,593.46 - Step 4: Simplify right side
71,977.24x = 2,979,168,919.68 - Step 5: Solve for x
x = 2,979,168,919.68/71,977.24 - Step 6: Final answer
x = 41,390.43
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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.