Finding the Fourth Proportional to 87,029.73, 130,546.41 and 27,865.23
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Solution
The fourth proportional to 87,029.73, 130,546.41 and 27,865.23 is: 41,798.43
Step by Step Solution
- Step 1: Write the proportion equation
87,029.73 : 130,546.41 = 27,865.23 : x - Step 2: Convert to fraction form
87,029.73/130,546.41 = 27,865.23/x - Step 3: Cross multiply
87,029.73x = 130,546.41 × 27,865.23 - Step 4: Simplify right side
87,029.73x = 3,637,705,740.32 - Step 5: Solve for x
x = 3,637,705,740.32/87,029.73 - Step 6: Final answer
x = 41,798.43
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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.