Finding the Fourth Proportional to 83,080.62, 124,617.69 and 27,676.62
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Solution
The fourth proportional to 83,080.62, 124,617.69 and 27,676.62 is: 41,513.85
Step by Step Solution
- Step 1: Write the proportion equation
83,080.62 : 124,617.69 = 27,676.62 : x - Step 2: Convert to fraction form
83,080.62/124,617.69 = 27,676.62/x - Step 3: Cross multiply
83,080.62x = 124,617.69 × 27,676.62 - Step 4: Simplify right side
83,080.62x = 3,448,996,451.41 - Step 5: Solve for x
x = 3,448,996,451.41/83,080.62 - Step 6: Final answer
x = 41,513.85
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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.