Finding the Fourth Proportional to 79,720.62, 119,595.64 and 32,977.14
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Solution
The fourth proportional to 79,720.62, 119,595.64 and 32,977.14 is: 49,471.79
Step by Step Solution
- Step 1: Write the proportion equation
79,720.62 : 119,595.64 = 32,977.14 : x - Step 2: Convert to fraction form
79,720.62/119,595.64 = 32,977.14/x - Step 3: Cross multiply
79,720.62x = 119,595.64 × 32,977.14 - Step 4: Simplify right side
79,720.62x = 3,943,922,163.67 - Step 5: Solve for x
x = 3,943,922,163.67/79,720.62 - Step 6: Final answer
x = 49,471.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.