Finding the Fourth Proportional to 83,937.60, 125,912.88 and 24,771.96
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Solution
The fourth proportional to 83,937.60, 125,912.88 and 24,771.96 is: 37,159.85
Step by Step Solution
- Step 1: Write the proportion equation
83,937.60 : 125,912.88 = 24,771.96 : x - Step 2: Convert to fraction form
83,937.60/125,912.88 = 24,771.96/x - Step 3: Cross multiply
83,937.60x = 125,912.88 × 24,771.96 - Step 4: Simplify right side
83,937.60x = 3,119,108,826.84 - Step 5: Solve for x
x = 3,119,108,826.84/83,937.60 - Step 6: Final answer
x = 37,159.85
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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.