Finding the Fourth Proportional to 66,820.14, 100,123.60 and 48,968.08
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Solution
The fourth proportional to 66,820.14, 100,123.60 and 48,968.08 is: 73,373.99
Step by Step Solution
- Step 1: Write the proportion equation
66,820.14 : 100,123.60 = 48,968.08 : x - Step 2: Convert to fraction form
66,820.14/100,123.60 = 48,968.08/x - Step 3: Cross multiply
66,820.14x = 100,123.60 × 48,968.08 - Step 4: Simplify right side
66,820.14x = 4,902,860,454.69 - Step 5: Solve for x
x = 4,902,860,454.69/66,820.14 - Step 6: Final answer
x = 73,373.99
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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.