Finding the Fourth Proportional to 79,716.12, 119,580.36 and 32,308.65
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Solution
The fourth proportional to 79,716.12, 119,580.36 and 32,308.65 is: 48,465.48
Step by Step Solution
- Step 1: Write the proportion equation
79,716.12 : 119,580.36 = 32,308.65 : x - Step 2: Convert to fraction form
79,716.12/119,580.36 = 32,308.65/x - Step 3: Cross multiply
79,716.12x = 119,580.36 × 32,308.65 - Step 4: Simplify right side
79,716.12x = 3,863,479,998.11 - Step 5: Solve for x
x = 3,863,479,998.11/79,716.12 - Step 6: Final answer
x = 48,465.48
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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.