Finding the Fourth Proportional to 79,472.80, 119,135.08 and 26,845.48
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Solution
The fourth proportional to 79,472.80, 119,135.08 and 26,845.48 is: 40,243.18
Step by Step Solution
- Step 1: Write the proportion equation
79,472.80 : 119,135.08 = 26,845.48 : x - Step 2: Convert to fraction form
79,472.80/119,135.08 = 26,845.48/x - Step 3: Cross multiply
79,472.80x = 119,135.08 × 26,845.48 - Step 4: Simplify right side
79,472.80x = 3,198,238,407.44 - Step 5: Solve for x
x = 3,198,238,407.44/79,472.80 - Step 6: Final answer
x = 40,243.18
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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.