Finding the Fourth Proportional to 79,907.77, 119,874.66 and 29,991.79
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Solution
The fourth proportional to 79,907.77, 119,874.66 and 29,991.79 is: 44,992.57
Step by Step Solution
- Step 1: Write the proportion equation
79,907.77 : 119,874.66 = 29,991.79 : x - Step 2: Convert to fraction form
79,907.77/119,874.66 = 29,991.79/x - Step 3: Cross multiply
79,907.77x = 119,874.66 × 29,991.79 - Step 4: Simplify right side
79,907.77x = 3,595,255,629.04 - Step 5: Solve for x
x = 3,595,255,629.04/79,907.77 - Step 6: Final answer
x = 44,992.57
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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.