Finding the Fourth Proportional to 79,672.80, 119,541.60 and 32,930.40
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Solution
The fourth proportional to 79,672.80, 119,541.60 and 32,930.40 is: 49,408.99
Step by Step Solution
- Step 1: Write the proportion equation
79,672.80 : 119,541.60 = 32,930.40 : x - Step 2: Convert to fraction form
79,672.80/119,541.60 = 32,930.40/x - Step 3: Cross multiply
79,672.80x = 119,541.60 × 32,930.40 - Step 4: Simplify right side
79,672.80x = 3,936,552,704.64 - Step 5: Solve for x
x = 3,936,552,704.64/79,672.80 - Step 6: Final answer
x = 49,408.99
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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.