Finding the Fourth Proportional to 74,302.30, 102,548.43 and 47,462.68
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Solution
The fourth proportional to 74,302.30, 102,548.43 and 47,462.68 is: 65,505.69
Step by Step Solution
- Step 1: Write the proportion equation
74,302.30 : 102,548.43 = 47,462.68 : x - Step 2: Convert to fraction form
74,302.30/102,548.43 = 47,462.68/x - Step 3: Cross multiply
74,302.30x = 102,548.43 × 47,462.68 - Step 4: Simplify right side
74,302.30x = 4,867,223,734.20 - Step 5: Solve for x
x = 4,867,223,734.20/74,302.30 - Step 6: Final answer
x = 65,505.69
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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.