Finding the Fourth Proportional to 73,791.56, 110,706.05 and 21,201.08
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Solution
The fourth proportional to 73,791.56, 110,706.05 and 21,201.08 is: 31,806.99
Step by Step Solution
- Step 1: Write the proportion equation
73,791.56 : 110,706.05 = 21,201.08 : x - Step 2: Convert to fraction form
73,791.56/110,706.05 = 21,201.08/x - Step 3: Cross multiply
73,791.56x = 110,706.05 × 21,201.08 - Step 4: Simplify right side
73,791.56x = 2,347,087,322.01 - Step 5: Solve for x
x = 2,347,087,322.01/73,791.56 - Step 6: Final answer
x = 31,806.99
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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.