Finding the Fourth Proportional to 86,702.00, 130,039.43 and 27,529.88
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Solution
The fourth proportional to 86,702.00, 130,039.43 and 27,529.88 is: 41,290.50
Step by Step Solution
- Step 1: Write the proportion equation
86,702.00 : 130,039.43 = 27,529.88 : x - Step 2: Convert to fraction form
86,702.00/130,039.43 = 27,529.88/x - Step 3: Cross multiply
86,702.00x = 130,039.43 × 27,529.88 - Step 4: Simplify right side
86,702.00x = 3,579,969,115.32 - Step 5: Solve for x
x = 3,579,969,115.32/86,702.00 - Step 6: Final answer
x = 41,290.50
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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.