Finding the Fourth Proportional to 68,537.37, 102,753.97 and 47,421.28
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Solution
The fourth proportional to 68,537.37, 102,753.97 and 47,421.28 is: 71,095.88
Step by Step Solution
- Step 1: Write the proportion equation
68,537.37 : 102,753.97 = 47,421.28 : x - Step 2: Convert to fraction form
68,537.37/102,753.97 = 47,421.28/x - Step 3: Cross multiply
68,537.37x = 102,753.97 × 47,421.28 - Step 4: Simplify right side
68,537.37x = 4,872,724,792.37 - Step 5: Solve for x
x = 4,872,724,792.37/68,537.37 - Step 6: Final answer
x = 71,095.88
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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.