Finding the Fourth Proportional to 83,523.11, 125,225.12 and 39,125.63
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Solution
The fourth proportional to 83,523.11, 125,225.12 and 39,125.63 is: 58,660.56
Step by Step Solution
- Step 1: Write the proportion equation
83,523.11 : 125,225.12 = 39,125.63 : x - Step 2: Convert to fraction form
83,523.11/125,225.12 = 39,125.63/x - Step 3: Cross multiply
83,523.11x = 125,225.12 × 39,125.63 - Step 4: Simplify right side
83,523.11x = 4,899,512,122.70 - Step 5: Solve for x
x = 4,899,512,122.70/83,523.11 - Step 6: Final answer
x = 58,660.56
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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.