Finding the Fourth Proportional to 79,722.67, 119,542.45 and 29,761.67
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Solution
The fourth proportional to 79,722.67, 119,542.45 and 29,761.67 is: 44,626.99
Step by Step Solution
- Step 1: Write the proportion equation
79,722.67 : 119,542.45 = 29,761.67 : x - Step 2: Convert to fraction form
79,722.67/119,542.45 = 29,761.67/x - Step 3: Cross multiply
79,722.67x = 119,542.45 × 29,761.67 - Step 4: Simplify right side
79,722.67x = 3,557,782,947.89 - Step 5: Solve for x
x = 3,557,782,947.89/79,722.67 - Step 6: Final answer
x = 44,626.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.