Finding the Fourth Proportional to 73,720.63, 110,580.94 and 18,316.63
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Solution
The fourth proportional to 73,720.63, 110,580.94 and 18,316.63 is: 27,474.94
Step by Step Solution
- Step 1: Write the proportion equation
73,720.63 : 110,580.94 = 18,316.63 : x - Step 2: Convert to fraction form
73,720.63/110,580.94 = 18,316.63/x - Step 3: Cross multiply
73,720.63x = 110,580.94 × 18,316.63 - Step 4: Simplify right side
73,720.63x = 2,025,469,610.13 - Step 5: Solve for x
x = 2,025,469,610.13/73,720.63 - Step 6: Final answer
x = 27,474.94
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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.