Finding the Fourth Proportional to 73,793.61, 110,690.46 and 31,646.49
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Solution
The fourth proportional to 73,793.61, 110,690.46 and 31,646.49 is: 47,469.75
Step by Step Solution
- Step 1: Write the proportion equation
73,793.61 : 110,690.46 = 31,646.49 : x - Step 2: Convert to fraction form
73,793.61/110,690.46 = 31,646.49/x - Step 3: Cross multiply
73,793.61x = 110,690.46 × 31,646.49 - Step 4: Simplify right side
73,793.61x = 3,502,964,535.49 - Step 5: Solve for x
x = 3,502,964,535.49/73,793.61 - Step 6: Final answer
x = 47,469.75
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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.