Finding the Fourth Proportional to 68,302.36, 102,492.42 and 44,939.80
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Solution
The fourth proportional to 68,302.36, 102,492.42 and 44,939.80 is: 67,435.28
Step by Step Solution
- Step 1: Write the proportion equation
68,302.36 : 102,492.42 = 44,939.80 : x - Step 2: Convert to fraction form
68,302.36/102,492.42 = 44,939.80/x - Step 3: Cross multiply
68,302.36x = 102,492.42 × 44,939.80 - Step 4: Simplify right side
68,302.36x = 4,605,988,856.32 - Step 5: Solve for x
x = 4,605,988,856.32/68,302.36 - Step 6: Final answer
x = 67,435.28
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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.