Finding the Fourth Proportional to 86,933.22, 119,970.80 and 48,694.41
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Solution
The fourth proportional to 86,933.22, 119,970.80 and 48,694.41 is: 67,199.94
Step by Step Solution
- Step 1: Write the proportion equation
86,933.22 : 119,970.80 = 48,694.41 : x - Step 2: Convert to fraction form
86,933.22/119,970.80 = 48,694.41/x - Step 3: Cross multiply
86,933.22x = 119,970.80 × 48,694.41 - Step 4: Simplify right side
86,933.22x = 5,841,907,323.23 - Step 5: Solve for x
x = 5,841,907,323.23/86,933.22 - Step 6: Final answer
x = 67,199.94
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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.