Finding the Fourth Proportional to 73,791.68, 101,832.18 and 40,257.68
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Solution
The fourth proportional to 73,791.68, 101,832.18 and 40,257.68 is: 55,555.41
Step by Step Solution
- Step 1: Write the proportion equation
73,791.68 : 101,832.18 = 40,257.68 : x - Step 2: Convert to fraction form
73,791.68/101,832.18 = 40,257.68/x - Step 3: Cross multiply
73,791.68x = 101,832.18 × 40,257.68 - Step 4: Simplify right side
73,791.68x = 4,099,527,316.14 - Step 5: Solve for x
x = 4,099,527,316.14/73,791.68 - Step 6: Final answer
x = 55,555.41
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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.