Finding the Fourth Proportional to 74,267.25, 102,489.21 and 44,067.75
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Solution
The fourth proportional to 74,267.25, 102,489.21 and 44,067.75 is: 60,813.74
Step by Step Solution
- Step 1: Write the proportion equation
74,267.25 : 102,489.21 = 44,067.75 : x - Step 2: Convert to fraction form
74,267.25/102,489.21 = 44,067.75/x - Step 3: Cross multiply
74,267.25x = 102,489.21 × 44,067.75 - Step 4: Simplify right side
74,267.25x = 4,516,468,883.98 - Step 5: Solve for x
x = 4,516,468,883.98/74,267.25 - Step 6: Final answer
x = 60,813.74
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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.