Finding the Fourth Proportional to 79,658.36, 119,508.08 and 29,738.87
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Solution
The fourth proportional to 79,658.36, 119,508.08 and 29,738.87 is: 44,615.98
Step by Step Solution
- Step 1: Write the proportion equation
79,658.36 : 119,508.08 = 29,738.87 : x - Step 2: Convert to fraction form
79,658.36/119,508.08 = 29,738.87/x - Step 3: Cross multiply
79,658.36x = 119,508.08 × 29,738.87 - Step 4: Simplify right side
79,658.36x = 3,554,035,544.03 - Step 5: Solve for x
x = 3,554,035,544.03/79,658.36 - Step 6: Final answer
x = 44,615.98
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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.