Finding the Fourth Proportional to 79,660.50, 119,490.74 and 29,744.48
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Solution
The fourth proportional to 79,660.50, 119,490.74 and 29,744.48 is: 44,616.72
Step by Step Solution
- Step 1: Write the proportion equation
79,660.50 : 119,490.74 = 29,744.48 : x - Step 2: Convert to fraction form
79,660.50/119,490.74 = 29,744.48/x - Step 3: Cross multiply
79,660.50x = 119,490.74 × 29,744.48 - Step 4: Simplify right side
79,660.50x = 3,554,190,187.66 - Step 5: Solve for x
x = 3,554,190,187.66/79,660.50 - Step 6: Final answer
x = 44,616.72
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1.5x scale
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.