Finding the Fourth Proportional to 73,709.28, 101,717.68 and 41,443.93
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Solution
The fourth proportional to 73,709.28, 101,717.68 and 41,443.93 is: 57,191.99
Step by Step Solution
- Step 1: Write the proportion equation
73,709.28 : 101,717.68 = 41,443.93 : x - Step 2: Convert to fraction form
73,709.28/101,717.68 = 41,443.93/x - Step 3: Cross multiply
73,709.28x = 101,717.68 × 41,443.93 - Step 4: Simplify right side
73,709.28x = 4,215,580,409.68 - Step 5: Solve for x
x = 4,215,580,409.68/73,709.28 - Step 6: Final answer
x = 57,191.99
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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.