Finding the Fourth Proportional to 68,164.60, 102,251.70 and 38,596.60
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Solution
The fourth proportional to 68,164.60, 102,251.70 and 38,596.60 is: 57,897.62
Step by Step Solution
- Step 1: Write the proportion equation
68,164.60 : 102,251.70 = 38,596.60 : x - Step 2: Convert to fraction form
68,164.60/102,251.70 = 38,596.60/x - Step 3: Cross multiply
68,164.60x = 102,251.70 × 38,596.60 - Step 4: Simplify right side
68,164.60x = 3,946,567,964.22 - Step 5: Solve for x
x = 3,946,567,964.22/68,164.60 - Step 6: Final answer
x = 57,897.62
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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.