Finding the Fourth Proportional to 73,771.68, 101,805.48 and 40,237.68
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Solution
The fourth proportional to 73,771.68, 101,805.48 and 40,237.68 is: 55,528.30
Step by Step Solution
- Step 1: Write the proportion equation
73,771.68 : 101,805.48 = 40,237.68 : x - Step 2: Convert to fraction form
73,771.68/101,805.48 = 40,237.68/x - Step 3: Cross multiply
73,771.68x = 101,805.48 × 40,237.68 - Step 4: Simplify right side
73,771.68x = 4,096,416,326.49 - Step 5: Solve for x
x = 4,096,416,326.49/73,771.68 - Step 6: Final answer
x = 55,528.30
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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.