Finding the Fourth Proportional to 79,830.36, 119,757.84 and 27,227.55
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Solution
The fourth proportional to 79,830.36, 119,757.84 and 27,227.55 is: 40,845.52
Step by Step Solution
- Step 1: Write the proportion equation
79,830.36 : 119,757.84 = 27,227.55 : x - Step 2: Convert to fraction form
79,830.36/119,757.84 = 27,227.55/x - Step 3: Cross multiply
79,830.36x = 119,757.84 × 27,227.55 - Step 4: Simplify right side
79,830.36x = 3,260,712,576.49 - Step 5: Solve for x
x = 3,260,712,576.49/79,830.36 - Step 6: Final answer
x = 40,845.52
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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.