Finding the Fourth Proportional to 76,767.68, 115,184.88 and 26,883.56
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Solution
The fourth proportional to 76,767.68, 115,184.88 and 26,883.56 is: 40,337.02
Step by Step Solution
- Step 1: Write the proportion equation
76,767.68 : 115,184.88 = 26,883.56 : x - Step 2: Convert to fraction form
76,767.68/115,184.88 = 26,883.56/x - Step 3: Cross multiply
76,767.68x = 115,184.88 × 26,883.56 - Step 4: Simplify right side
76,767.68x = 3,096,579,632.57 - Step 5: Solve for x
x = 3,096,579,632.57/76,767.68 - Step 6: Final answer
x = 40,337.02
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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.