Finding the Fourth Proportional to 76,767.54, 115,162.38 and 24,181.26
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Solution
The fourth proportional to 76,767.54, 115,162.38 and 24,181.26 is: 36,275.38
Step by Step Solution
- Step 1: Write the proportion equation
76,767.54 : 115,162.38 = 24,181.26 : x - Step 2: Convert to fraction form
76,767.54/115,162.38 = 24,181.26/x - Step 3: Cross multiply
76,767.54x = 115,162.38 × 24,181.26 - Step 4: Simplify right side
76,767.54x = 2,784,771,453.00 - Step 5: Solve for x
x = 2,784,771,453.00/76,767.54 - Step 6: Final answer
x = 36,275.38
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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.