Finding the Fourth Proportional to 68,451.36, 102,617.04 and 32,894.88
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Solution
The fourth proportional to 68,451.36, 102,617.04 and 32,894.88 is: 49,313.49
Step by Step Solution
- Step 1: Write the proportion equation
68,451.36 : 102,617.04 = 32,894.88 : x - Step 2: Convert to fraction form
68,451.36/102,617.04 = 32,894.88/x - Step 3: Cross multiply
68,451.36x = 102,617.04 × 32,894.88 - Step 4: Simplify right side
68,451.36x = 3,375,575,216.76 - Step 5: Solve for x
x = 3,375,575,216.76/68,451.36 - Step 6: Final answer
x = 49,313.49
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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.