Finding the Fourth Proportional to 83,430.38, 125,135.85 and 33,508.46
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Solution
The fourth proportional to 83,430.38, 125,135.85 and 33,508.46 is: 50,258.79
Step by Step Solution
- Step 1: Write the proportion equation
83,430.38 : 125,135.85 = 33,508.46 : x - Step 2: Convert to fraction form
83,430.38/125,135.85 = 33,508.46/x - Step 3: Cross multiply
83,430.38x = 125,135.85 × 33,508.46 - Step 4: Simplify right side
83,430.38x = 4,193,109,624.29 - Step 5: Solve for x
x = 4,193,109,624.29/83,430.38 - Step 6: Final answer
x = 50,258.79
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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.