Finding the Fourth Proportional to 83,544.48, 125,310.88 and 39,180.96
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Solution
The fourth proportional to 83,544.48, 125,310.88 and 39,180.96 is: 58,768.70
Step by Step Solution
- Step 1: Write the proportion equation
83,544.48 : 125,310.88 = 39,180.96 : x - Step 2: Convert to fraction form
83,544.48/125,310.88 = 39,180.96/x - Step 3: Cross multiply
83,544.48x = 125,310.88 × 39,180.96 - Step 4: Simplify right side
83,544.48x = 4,909,800,576.84 - Step 5: Solve for x
x = 4,909,800,576.84/83,544.48 - Step 6: Final answer
x = 58,768.70
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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.