Finding the Fourth Proportional to 68,532.26, 102,813.50 and 29,123.06
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Solution
The fourth proportional to 68,532.26, 102,813.50 and 29,123.06 is: 43,691.01
Step by Step Solution
- Step 1: Write the proportion equation
68,532.26 : 102,813.50 = 29,123.06 : x - Step 2: Convert to fraction form
68,532.26/102,813.50 = 29,123.06/x - Step 3: Cross multiply
68,532.26x = 102,813.50 × 29,123.06 - Step 4: Simplify right side
68,532.26x = 2,994,243,729.31 - Step 5: Solve for x
x = 2,994,243,729.31/68,532.26 - Step 6: Final answer
x = 43,691.01
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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.