Finding the Fourth Proportional to 68,217.02, 102,291.21 and 39,763.11
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Solution
The fourth proportional to 68,217.02, 102,291.21 and 39,763.11 is: 59,624.66
Step by Step Solution
- Step 1: Write the proportion equation
68,217.02 : 102,291.21 = 39,763.11 : x - Step 2: Convert to fraction form
68,217.02/102,291.21 = 39,763.11/x - Step 3: Cross multiply
68,217.02x = 102,291.21 × 39,763.11 - Step 4: Simplify right side
68,217.02x = 4,067,416,635.26 - Step 5: Solve for x
x = 4,067,416,635.26/68,217.02 - Step 6: Final answer
x = 59,624.66
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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.