Finding the Fourth Proportional to 68,315.19, 102,442.69 and 30,873.75
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Solution
The fourth proportional to 68,315.19, 102,442.69 and 30,873.75 is: 46,297.02
Step by Step Solution
- Step 1: Write the proportion equation
68,315.19 : 102,442.69 = 30,873.75 : x - Step 2: Convert to fraction form
68,315.19/102,442.69 = 30,873.75/x - Step 3: Cross multiply
68,315.19x = 102,442.69 × 30,873.75 - Step 4: Simplify right side
68,315.19x = 3,162,789,923.20 - Step 5: Solve for x
x = 3,162,789,923.20/68,315.19 - Step 6: Final answer
x = 46,297.02
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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.