Finding the Fourth Proportional to 83,546.70, 125,320.05 and 63,863.70
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Solution
The fourth proportional to 83,546.70, 125,320.05 and 63,863.70 is: 95,795.55
Step by Step Solution
- Step 1: Write the proportion equation
83,546.70 : 125,320.05 = 63,863.70 : x - Step 2: Convert to fraction form
83,546.70/125,320.05 = 63,863.70/x - Step 3: Cross multiply
83,546.70x = 125,320.05 × 63,863.70 - Step 4: Simplify right side
83,546.70x = 8,003,402,077.19 - Step 5: Solve for x
x = 8,003,402,077.19/83,546.70 - Step 6: Final answer
x = 95,795.55
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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.