Finding the Fourth Proportional to 79,860.48, 119,776.67 and 29,249.05
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Solution
The fourth proportional to 79,860.48, 119,776.67 and 29,249.05 is: 43,868.42
Step by Step Solution
- Step 1: Write the proportion equation
79,860.48 : 119,776.67 = 29,249.05 : x - Step 2: Convert to fraction form
79,860.48/119,776.67 = 29,249.05/x - Step 3: Cross multiply
79,860.48x = 119,776.67 × 29,249.05 - Step 4: Simplify right side
79,860.48x = 3,503,353,194.24 - Step 5: Solve for x
x = 3,503,353,194.24/79,860.48 - Step 6: Final answer
x = 43,868.42
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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.