Finding the Fourth Proportional to 79,767.04, 119,676.16 and 27,208.96
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Solution
The fourth proportional to 79,767.04, 119,676.16 and 27,208.96 is: 40,822.17
Step by Step Solution
- Step 1: Write the proportion equation
79,767.04 : 119,676.16 = 27,208.96 : x - Step 2: Convert to fraction form
79,767.04/119,676.16 = 27,208.96/x - Step 3: Cross multiply
79,767.04x = 119,676.16 × 27,208.96 - Step 4: Simplify right side
79,767.04x = 3,256,263,850.39 - Step 5: Solve for x
x = 3,256,263,850.39/79,767.04 - Step 6: Final answer
x = 40,822.17
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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.