Finding the Fourth Proportional to 74,876.19, 112,341.02 and 32,163.68
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Solution
The fourth proportional to 74,876.19, 112,341.02 and 32,163.68 is: 48,257.00
Step by Step Solution
- Step 1: Write the proportion equation
74,876.19 : 112,341.02 = 32,163.68 : x - Step 2: Convert to fraction form
74,876.19/112,341.02 = 32,163.68/x - Step 3: Cross multiply
74,876.19x = 112,341.02 × 32,163.68 - Step 4: Simplify right side
74,876.19x = 3,613,300,618.15 - Step 5: Solve for x
x = 3,613,300,618.15/74,876.19 - Step 6: Final answer
x = 48,257.00
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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.