Finding the Fourth Proportional to 90,524.01, 135,733.05 and 27,325.19
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Solution
The fourth proportional to 90,524.01, 135,733.05 and 27,325.19 is: 40,971.79
Step by Step Solution
- Step 1: Write the proportion equation
90,524.01 : 135,733.05 = 27,325.19 : x - Step 2: Convert to fraction form
90,524.01/135,733.05 = 27,325.19/x - Step 3: Cross multiply
90,524.01x = 135,733.05 × 27,325.19 - Step 4: Simplify right side
90,524.01x = 3,708,930,701.86 - Step 5: Solve for x
x = 3,708,930,701.86/90,524.01 - Step 6: Final answer
x = 40,971.79
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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.