Finding the Fourth Proportional to 86,758.38, 130,137.57 and 27,594.06
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Solution
The fourth proportional to 86,758.38, 130,137.57 and 27,594.06 is: 41,391.09
Step by Step Solution
- Step 1: Write the proportion equation
86,758.38 : 130,137.57 = 27,594.06 : x - Step 2: Convert to fraction form
86,758.38/130,137.57 = 27,594.06/x - Step 3: Cross multiply
86,758.38x = 130,137.57 × 27,594.06 - Step 4: Simplify right side
86,758.38x = 3,591,023,914.83 - Step 5: Solve for x
x = 3,591,023,914.83/86,758.38 - Step 6: Final answer
x = 41,391.09
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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.