Finding the Fourth Proportional to 74,107.41, 102,276.27 and 48,634.32
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Solution
The fourth proportional to 74,107.41, 102,276.27 and 48,634.32 is: 67,120.65
Step by Step Solution
- Step 1: Write the proportion equation
74,107.41 : 102,276.27 = 48,634.32 : x - Step 2: Convert to fraction form
74,107.41/102,276.27 = 48,634.32/x - Step 3: Cross multiply
74,107.41x = 102,276.27 × 48,634.32 - Step 4: Simplify right side
74,107.41x = 4,974,137,227.12 - Step 5: Solve for x
x = 4,974,137,227.12/74,107.41 - Step 6: Final answer
x = 67,120.65
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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.