Finding the Fourth Proportional to 73,995.04, 102,115.92 and 42,163.12
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Solution
The fourth proportional to 73,995.04, 102,115.92 and 42,163.12 is: 58,186.68
Step by Step Solution
- Step 1: Write the proportion equation
73,995.04 : 102,115.92 = 42,163.12 : x - Step 2: Convert to fraction form
73,995.04/102,115.92 = 42,163.12/x - Step 3: Cross multiply
73,995.04x = 102,115.92 × 42,163.12 - Step 4: Simplify right side
73,995.04x = 4,305,525,788.87 - Step 5: Solve for x
x = 4,305,525,788.87/73,995.04 - Step 6: Final answer
x = 58,186.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.