Finding the Fourth Proportional to 68,876.80, 103,324.80 and 29,433.60
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Solution
The fourth proportional to 68,876.80, 103,324.80 and 29,433.60 is: 44,154.50
Step by Step Solution
- Step 1: Write the proportion equation
68,876.80 : 103,324.80 = 29,433.60 : x - Step 2: Convert to fraction form
68,876.80/103,324.80 = 29,433.60/x - Step 3: Cross multiply
68,876.80x = 103,324.80 × 29,433.60 - Step 4: Simplify right side
68,876.80x = 3,041,220,833.28 - Step 5: Solve for x
x = 3,041,220,833.28/68,876.80 - Step 6: Final answer
x = 44,154.50
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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.