Finding the Fourth Proportional to 74,566.92, 102,967.98 and 50,750.49
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Solution
The fourth proportional to 74,566.92, 102,967.98 and 50,750.49 is: 70,080.34
Step by Step Solution
- Step 1: Write the proportion equation
74,566.92 : 102,967.98 = 50,750.49 : x - Step 2: Convert to fraction form
74,566.92/102,967.98 = 50,750.49/x - Step 3: Cross multiply
74,566.92x = 102,967.98 × 50,750.49 - Step 4: Simplify right side
74,566.92x = 5,225,675,439.31 - Step 5: Solve for x
x = 5,225,675,439.31/74,566.92 - Step 6: Final answer
x = 70,080.34
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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.