Finding the Fourth Proportional to 73,747.68, 101,771.76 and 40,213.68
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Solution
The fourth proportional to 73,747.68, 101,771.76 and 40,213.68 is: 55,494.86
Step by Step Solution
- Step 1: Write the proportion equation
73,747.68 : 101,771.76 = 40,213.68 : x - Step 2: Convert to fraction form
73,747.68/101,771.76 = 40,213.68/x - Step 3: Cross multiply
73,747.68x = 101,771.76 × 40,213.68 - Step 4: Simplify right side
73,747.68x = 4,092,616,989.68 - Step 5: Solve for x
x = 4,092,616,989.68/73,747.68 - Step 6: Final answer
x = 55,494.86
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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.