Finding the Fourth Proportional to 83,488.23, 125,286.63 and 36,149.54
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Solution
The fourth proportional to 83,488.23, 125,286.63 and 36,149.54 is: 54,247.82
Step by Step Solution
- Step 1: Write the proportion equation
83,488.23 : 125,286.63 = 36,149.54 : x - Step 2: Convert to fraction form
83,488.23/125,286.63 = 36,149.54/x - Step 3: Cross multiply
83,488.23x = 125,286.63 × 36,149.54 - Step 4: Simplify right side
83,488.23x = 4,529,054,355.87 - Step 5: Solve for x
x = 4,529,054,355.87/83,488.23 - Step 6: Final answer
x = 54,247.82
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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.