Finding the Fourth Proportional to 83,729.70, 125,740.35 and 44,363.70
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Solution
The fourth proportional to 83,729.70, 125,740.35 and 44,363.70 is: 66,622.80
Step by Step Solution
- Step 1: Write the proportion equation
83,729.70 : 125,740.35 = 44,363.70 : x - Step 2: Convert to fraction form
83,729.70/125,740.35 = 44,363.70/x - Step 3: Cross multiply
83,729.70x = 125,740.35 × 44,363.70 - Step 4: Simplify right side
83,729.70x = 5,578,307,165.30 - Step 5: Solve for x
x = 5,578,307,165.30/83,729.70 - Step 6: Final answer
x = 66,622.80
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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.