Finding the Fourth Proportional to 73,431.88, 110,072.04 and 29,040.64
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Solution
The fourth proportional to 73,431.88, 110,072.04 and 29,040.64 is: 43,530.99
Step by Step Solution
- Step 1: Write the proportion equation
73,431.88 : 110,072.04 = 29,040.64 : x - Step 2: Convert to fraction form
73,431.88/110,072.04 = 29,040.64/x - Step 3: Cross multiply
73,431.88x = 110,072.04 × 29,040.64 - Step 4: Simplify right side
73,431.88x = 3,196,562,487.71 - Step 5: Solve for x
x = 3,196,562,487.71/73,431.88 - Step 6: Final answer
x = 43,530.99
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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.