Finding the Fourth Proportional to 79,828.41, 119,761.38 and 27,238.08
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Solution
The fourth proportional to 79,828.41, 119,761.38 and 27,238.08 is: 40,863.52
Step by Step Solution
- Step 1: Write the proportion equation
79,828.41 : 119,761.38 = 27,238.08 : x - Step 2: Convert to fraction form
79,828.41/119,761.38 = 27,238.08/x - Step 3: Cross multiply
79,828.41x = 119,761.38 × 27,238.08 - Step 4: Simplify right side
79,828.41x = 3,262,070,049.35 - Step 5: Solve for x
x = 3,262,070,049.35/79,828.41 - Step 6: Final answer
x = 40,863.52
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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.