Finding the Fourth Proportional to 74,299.26, 102,534.76 and 40,765.26
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Solution
The fourth proportional to 74,299.26, 102,534.76 and 40,765.26 is: 56,257.04
Step by Step Solution
- Step 1: Write the proportion equation
74,299.26 : 102,534.76 = 40,765.26 : x - Step 2: Convert to fraction form
74,299.26/102,534.76 = 40,765.26/x - Step 3: Cross multiply
74,299.26x = 102,534.76 × 40,765.26 - Step 4: Simplify right side
74,299.26x = 4,179,856,150.44 - Step 5: Solve for x
x = 4,179,856,150.44/74,299.26 - Step 6: Final answer
x = 56,257.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.