Finding the Fourth Proportional to 68,331.36, 102,535.92 and 44,968.80
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Solution
The fourth proportional to 68,331.36, 102,535.92 and 44,968.80 is: 67,478.79
Step by Step Solution
- Step 1: Write the proportion equation
68,331.36 : 102,535.92 = 44,968.80 : x - Step 2: Convert to fraction form
68,331.36/102,535.92 = 44,968.80/x - Step 3: Cross multiply
68,331.36x = 102,535.92 × 44,968.80 - Step 4: Simplify right side
68,331.36x = 4,610,917,279.30 - Step 5: Solve for x
x = 4,610,917,279.30/68,331.36 - Step 6: Final answer
x = 67,478.79
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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.