Finding the Fourth Proportional to 90,124.13, 135,188.01 and 27,794.63
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Solution
The fourth proportional to 90,124.13, 135,188.01 and 27,794.63 is: 41,692.50
Step by Step Solution
- Step 1: Write the proportion equation
90,124.13 : 135,188.01 = 27,794.63 : x - Step 2: Convert to fraction form
90,124.13/135,188.01 = 27,794.63/x - Step 3: Cross multiply
90,124.13x = 135,188.01 × 27,794.63 - Step 4: Simplify right side
90,124.13x = 3,757,500,042.45 - Step 5: Solve for x
x = 3,757,500,042.45/90,124.13 - Step 6: Final answer
x = 41,692.50
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1.5x scale
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.