Finding the Fourth Proportional to 83,415.68, 125,311.68 and 48,440.96
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Solution
The fourth proportional to 83,415.68, 125,311.68 and 48,440.96 is: 72,770.71
Step by Step Solution
- Step 1: Write the proportion equation
83,415.68 : 125,311.68 = 48,440.96 : x - Step 2: Convert to fraction form
83,415.68/125,311.68 = 48,440.96/x - Step 3: Cross multiply
83,415.68x = 125,311.68 × 48,440.96 - Step 4: Simplify right side
83,415.68x = 6,070,218,078.41 - Step 5: Solve for x
x = 6,070,218,078.41/83,415.68 - Step 6: Final answer
x = 72,770.71
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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.