Finding the Fourth Proportional to 79,998.63, 110,382.84 and 48,169.59
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Solution
The fourth proportional to 79,998.63, 110,382.84 and 48,169.59 is: 66,464.84
Step by Step Solution
- Step 1: Write the proportion equation
79,998.63 : 110,382.84 = 48,169.59 : x - Step 2: Convert to fraction form
79,998.63/110,382.84 = 48,169.59/x - Step 3: Cross multiply
79,998.63x = 110,382.84 × 48,169.59 - Step 4: Simplify right side
79,998.63x = 5,317,096,145.84 - Step 5: Solve for x
x = 5,317,096,145.84/79,998.63 - Step 6: Final answer
x = 66,464.84
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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.