Finding the Fourth Proportional to 86,382.54, 119,209.84 and 48,146.00
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Solution
The fourth proportional to 86,382.54, 119,209.84 and 48,146.00 is: 66,442.55
Step by Step Solution
- Step 1: Write the proportion equation
86,382.54 : 119,209.84 = 48,146.00 : x - Step 2: Convert to fraction form
86,382.54/119,209.84 = 48,146.00/x - Step 3: Cross multiply
86,382.54x = 119,209.84 × 48,146.00 - Step 4: Simplify right side
86,382.54x = 5,739,476,240.23 - Step 5: Solve for x
x = 5,739,476,240.23/86,382.54 - Step 6: Final answer
x = 66,442.55
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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.