Finding the Fourth Proportional to 68,485.44, 102,743.92 and 29,044.08
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Solution
The fourth proportional to 68,485.44, 102,743.92 and 29,044.08 is: 43,572.80
Step by Step Solution
- Step 1: Write the proportion equation
68,485.44 : 102,743.92 = 29,044.08 : x - Step 2: Convert to fraction form
68,485.44/102,743.92 = 29,044.08/x - Step 3: Cross multiply
68,485.44x = 102,743.92 × 29,044.08 - Step 4: Simplify right side
68,485.44x = 2,984,102,631.99 - Step 5: Solve for x
x = 2,984,102,631.99/68,485.44 - Step 6: Final answer
x = 43,572.80
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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.