Finding the Fourth Proportional to 73,862.94, 110,809.02 and 27,116.22
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Solution
The fourth proportional to 73,862.94, 110,809.02 and 27,116.22 is: 40,679.69
Step by Step Solution
- Step 1: Write the proportion equation
73,862.94 : 110,809.02 = 27,116.22 : x - Step 2: Convert to fraction form
73,862.94/110,809.02 = 27,116.22/x - Step 3: Cross multiply
73,862.94x = 110,809.02 × 27,116.22 - Step 4: Simplify right side
73,862.94x = 3,004,721,764.30 - Step 5: Solve for x
x = 3,004,721,764.30/73,862.94 - Step 6: Final answer
x = 40,679.69
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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.