Finding the Fourth Proportional to 72,593.82, 100,180.09 and 40,765.68
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Solution
The fourth proportional to 72,593.82, 100,180.09 and 40,765.68 is: 56,256.99
Step by Step Solution
- Step 1: Write the proportion equation
72,593.82 : 100,180.09 = 40,765.68 : x - Step 2: Convert to fraction form
72,593.82/100,180.09 = 40,765.68/x - Step 3: Cross multiply
72,593.82x = 100,180.09 × 40,765.68 - Step 4: Simplify right side
72,593.82x = 4,083,909,542.27 - Step 5: Solve for x
x = 4,083,909,542.27/72,593.82 - Step 6: Final answer
x = 56,256.99
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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.