Finding the Fourth Proportional to 79,787.97, 119,450.12 and 46,406.25
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Solution
The fourth proportional to 79,787.97, 119,450.12 and 46,406.25 is: 69,474.53
Step by Step Solution
- Step 1: Write the proportion equation
79,787.97 : 119,450.12 = 46,406.25 : x - Step 2: Convert to fraction form
79,787.97/119,450.12 = 46,406.25/x - Step 3: Cross multiply
79,787.97x = 119,450.12 × 46,406.25 - Step 4: Simplify right side
79,787.97x = 5,543,231,899.22 - Step 5: Solve for x
x = 5,543,231,899.22/79,787.97 - Step 6: Final answer
x = 69,474.53
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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.