Finding the Fourth Proportional to 83,828.68, 125,758.56 and 27,672.70
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Solution
The fourth proportional to 83,828.68, 125,758.56 and 27,672.70 is: 41,514.17
Step by Step Solution
- Step 1: Write the proportion equation
83,828.68 : 125,758.56 = 27,672.70 : x - Step 2: Convert to fraction form
83,828.68/125,758.56 = 27,672.70/x - Step 3: Cross multiply
83,828.68x = 125,758.56 × 27,672.70 - Step 4: Simplify right side
83,828.68x = 3,480,078,274.52 - Step 5: Solve for x
x = 3,480,078,274.52/83,828.68 - Step 6: Final answer
x = 41,514.17
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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.