Finding the Fourth Proportional to 90,350.76, 135,502.53 and 27,153.98
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Solution
The fourth proportional to 90,350.76, 135,502.53 and 27,153.98 is: 40,723.88
Step by Step Solution
- Step 1: Write the proportion equation
90,350.76 : 135,502.53 = 27,153.98 : x - Step 2: Convert to fraction form
90,350.76/135,502.53 = 27,153.98/x - Step 3: Cross multiply
90,350.76x = 135,502.53 × 27,153.98 - Step 4: Simplify right side
90,350.76x = 3,679,433,480.57 - Step 5: Solve for x
x = 3,679,433,480.57/90,350.76 - Step 6: Final answer
x = 40,723.88
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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.