Finding the Fourth Proportional to 84,077.71, 126,116.35 and 27,922.03
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Solution
The fourth proportional to 84,077.71, 126,116.35 and 27,922.03 is: 41,882.97
Step by Step Solution
- Step 1: Write the proportion equation
84,077.71 : 126,116.35 = 27,922.03 : x - Step 2: Convert to fraction form
84,077.71/126,116.35 = 27,922.03/x - Step 3: Cross multiply
84,077.71x = 126,116.35 × 27,922.03 - Step 4: Simplify right side
84,077.71x = 3,521,424,508.19 - Step 5: Solve for x
x = 3,521,424,508.19/84,077.71 - Step 6: Final answer
x = 41,882.97
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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.