Finding the Fourth Proportional to 68,506.29, 102,759.30 and 25,819.70
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Solution
The fourth proportional to 68,506.29, 102,759.30 and 25,819.70 is: 38,729.49
Step by Step Solution
- Step 1: Write the proportion equation
68,506.29 : 102,759.30 = 25,819.70 : x - Step 2: Convert to fraction form
68,506.29/102,759.30 = 25,819.70/x - Step 3: Cross multiply
68,506.29x = 102,759.30 × 25,819.70 - Step 4: Simplify right side
68,506.29x = 2,653,213,784.41 - Step 5: Solve for x
x = 2,653,213,784.41/68,506.29 - Step 6: Final answer
x = 38,729.49
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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.