Finding the Fourth Proportional to 68,549.12, 102,782.17 and 44,828.03
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Solution
The fourth proportional to 68,549.12, 102,782.17 and 44,828.03 is: 67,214.90
Step by Step Solution
- Step 1: Write the proportion equation
68,549.12 : 102,782.17 = 44,828.03 : x - Step 2: Convert to fraction form
68,549.12/102,782.17 = 44,828.03/x - Step 3: Cross multiply
68,549.12x = 102,782.17 × 44,828.03 - Step 4: Simplify right side
68,549.12x = 4,607,522,261.06 - Step 5: Solve for x
x = 4,607,522,261.06/68,549.12 - Step 6: Final answer
x = 67,214.90
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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.