Finding the Fourth Proportional to 73,135.44, 100,926.76 and 39,601.52
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Solution
The fourth proportional to 73,135.44, 100,926.76 and 39,601.52 is: 54,650.02
Step by Step Solution
- Step 1: Write the proportion equation
73,135.44 : 100,926.76 = 39,601.52 : x - Step 2: Convert to fraction form
73,135.44/100,926.76 = 39,601.52/x - Step 3: Cross multiply
73,135.44x = 100,926.76 × 39,601.52 - Step 4: Simplify right side
73,135.44x = 3,996,853,104.68 - Step 5: Solve for x
x = 3,996,853,104.68/73,135.44 - Step 6: Final answer
x = 54,650.02
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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.