Finding the Fourth Proportional to 73,945.44, 110,962.08 and 27,231.12
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Solution
The fourth proportional to 73,945.44, 110,962.08 and 27,231.12 is: 40,862.85
Step by Step Solution
- Step 1: Write the proportion equation
73,945.44 : 110,962.08 = 27,231.12 : x - Step 2: Convert to fraction form
73,945.44/110,962.08 = 27,231.12/x - Step 3: Cross multiply
73,945.44x = 110,962.08 × 27,231.12 - Step 4: Simplify right side
73,945.44x = 3,021,621,715.93 - Step 5: Solve for x
x = 3,021,621,715.93/73,945.44 - Step 6: Final answer
x = 40,862.85
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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.