Finding the Fourth Proportional to 73,521.81, 110,260.85 and 26,763.75
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Solution
The fourth proportional to 73,521.81, 110,260.85 and 26,763.75 is: 40,137.66
Step by Step Solution
- Step 1: Write the proportion equation
73,521.81 : 110,260.85 = 26,763.75 : x - Step 2: Convert to fraction form
73,521.81/110,260.85 = 26,763.75/x - Step 3: Cross multiply
73,521.81x = 110,260.85 × 26,763.75 - Step 4: Simplify right side
73,521.81x = 2,950,993,690.37 - Step 5: Solve for x
x = 2,950,993,690.37/73,521.81 - Step 6: Final answer
x = 40,137.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.