Finding the Fourth Proportional to 73,135.41, 100,926.86 and 39,601.41
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Solution
The fourth proportional to 73,135.41, 100,926.86 and 39,601.41 is: 54,649.94
Step by Step Solution
- Step 1: Write the proportion equation
73,135.41 : 100,926.86 = 39,601.41 : x - Step 2: Convert to fraction form
73,135.41/100,926.86 = 39,601.41/x - Step 3: Cross multiply
73,135.41x = 100,926.86 × 39,601.41 - Step 4: Simplify right side
73,135.41x = 3,996,845,609.15 - Step 5: Solve for x
x = 3,996,845,609.15/73,135.41 - Step 6: Final answer
x = 54,649.94
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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.