Finding the Fourth Proportional to 68,475.67, 102,713.47 and 25,789.14
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Solution
The fourth proportional to 68,475.67, 102,713.47 and 25,789.14 is: 38,683.70
Step by Step Solution
- Step 1: Write the proportion equation
68,475.67 : 102,713.47 = 25,789.14 : x - Step 2: Convert to fraction form
68,475.67/102,713.47 = 25,789.14/x - Step 3: Cross multiply
68,475.67x = 102,713.47 × 25,789.14 - Step 4: Simplify right side
68,475.67x = 2,648,891,993.24 - Step 5: Solve for x
x = 2,648,891,993.24/68,475.67 - Step 6: Final answer
x = 38,683.70
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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.