Finding the Fourth Proportional to 76,919.09, 115,363.98 and 32,576.99
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Solution
The fourth proportional to 76,919.09, 115,363.98 and 32,576.99 is: 48,859.27
Step by Step Solution
- Step 1: Write the proportion equation
76,919.09 : 115,363.98 = 32,576.99 : x - Step 2: Convert to fraction form
76,919.09/115,363.98 = 32,576.99/x - Step 3: Cross multiply
76,919.09x = 115,363.98 × 32,576.99 - Step 4: Simplify right side
76,919.09x = 3,758,210,646.00 - Step 5: Solve for x
x = 3,758,210,646.00/76,919.09 - Step 6: Final answer
x = 48,859.27
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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.