Finding the Fourth Proportional to 79,883.35, 119,701.84 and 39,310.28
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Solution
The fourth proportional to 79,883.35, 119,701.84 and 39,310.28 is: 58,904.80
Step by Step Solution
- Step 1: Write the proportion equation
79,883.35 : 119,701.84 = 39,310.28 : x - Step 2: Convert to fraction form
79,883.35/119,701.84 = 39,310.28/x - Step 3: Cross multiply
79,883.35x = 119,701.84 × 39,310.28 - Step 4: Simplify right side
79,883.35x = 4,705,512,846.92 - Step 5: Solve for x
x = 4,705,512,846.92/79,883.35 - Step 6: Final answer
x = 58,904.80
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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.