Finding the Fourth Proportional to 74,467.24, 102,765.06 and 40,933.48
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Solution
The fourth proportional to 74,467.24, 102,765.06 and 40,933.48 is: 56,488.35
Step by Step Solution
- Step 1: Write the proportion equation
74,467.24 : 102,765.06 = 40,933.48 : x - Step 2: Convert to fraction form
74,467.24/102,765.06 = 40,933.48/x - Step 3: Cross multiply
74,467.24x = 102,765.06 × 40,933.48 - Step 4: Simplify right side
74,467.24x = 4,206,531,528.21 - Step 5: Solve for x
x = 4,206,531,528.21/74,467.24 - Step 6: Final answer
x = 56,488.35
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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.