Finding the Fourth Proportional to 76,042.99, 114,079.47 and 26,110.95
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Solution
The fourth proportional to 76,042.99, 114,079.47 and 26,110.95 is: 39,171.57
Step by Step Solution
- Step 1: Write the proportion equation
76,042.99 : 114,079.47 = 26,110.95 : x - Step 2: Convert to fraction form
76,042.99/114,079.47 = 26,110.95/x - Step 3: Cross multiply
76,042.99x = 114,079.47 × 26,110.95 - Step 4: Simplify right side
76,042.99x = 2,978,723,337.20 - Step 5: Solve for x
x = 2,978,723,337.20/76,042.99 - Step 6: Final answer
x = 39,171.57
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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.