Finding the Fourth Proportional to 110,658.08, 165,961.84 and 31,771.68
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Solution
The fourth proportional to 110,658.08, 165,961.84 and 31,771.68 is: 47,650.26
Step by Step Solution
- Step 1: Write the proportion equation
110,658.08 : 165,961.84 = 31,771.68 : x - Step 2: Convert to fraction form
110,658.08/165,961.84 = 31,771.68/x - Step 3: Cross multiply
110,658.08x = 165,961.84 × 31,771.68 - Step 4: Simplify right side
110,658.08x = 5,272,886,472.69 - Step 5: Solve for x
x = 5,272,886,472.69/110,658.08 - Step 6: Final answer
x = 47,650.26
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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.