Finding the Fourth Proportional to 86,257.92, 119,033.28 and 48,529.92
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Solution
The fourth proportional to 86,257.92, 119,033.28 and 48,529.92 is: 66,969.80
Step by Step Solution
- Step 1: Write the proportion equation
86,257.92 : 119,033.28 = 48,529.92 : x - Step 2: Convert to fraction form
86,257.92/119,033.28 = 48,529.92/x - Step 3: Cross multiply
86,257.92x = 119,033.28 × 48,529.92 - Step 4: Simplify right side
86,257.92x = 5,776,675,555.74 - Step 5: Solve for x
x = 5,776,675,555.74/86,257.92 - Step 6: Final answer
x = 66,969.80
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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.