Finding the Fourth Proportional to 74,534.24, 102,879.20 and 44,340.96
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Solution
The fourth proportional to 74,534.24, 102,879.20 and 44,340.96 is: 61,203.58
Step by Step Solution
- Step 1: Write the proportion equation
74,534.24 : 102,879.20 = 44,340.96 : x - Step 2: Convert to fraction form
74,534.24/102,879.20 = 44,340.96/x - Step 3: Cross multiply
74,534.24x = 102,879.20 × 44,340.96 - Step 4: Simplify right side
74,534.24x = 4,561,762,492.03 - Step 5: Solve for x
x = 4,561,762,492.03/74,534.24 - Step 6: Final answer
x = 61,203.58
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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.