Finding the Fourth Proportional to 74,680.45, 103,054.21 and 44,467.99
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Solution
The fourth proportional to 74,680.45, 103,054.21 and 44,467.99 is: 61,362.96
Step by Step Solution
- Step 1: Write the proportion equation
74,680.45 : 103,054.21 = 44,467.99 : x - Step 2: Convert to fraction form
74,680.45/103,054.21 = 44,467.99/x - Step 3: Cross multiply
74,680.45x = 103,054.21 × 44,467.99 - Step 4: Simplify right side
74,680.45x = 4,582,613,579.74 - Step 5: Solve for x
x = 4,582,613,579.74/74,680.45 - Step 6: Final answer
x = 61,362.96
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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.