Finding the Fourth Proportional to 88,183.99, 121,694.80 and 47,898.54
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Solution
The fourth proportional to 88,183.99, 121,694.80 and 47,898.54 is: 66,100.47
Step by Step Solution
- Step 1: Write the proportion equation
88,183.99 : 121,694.80 = 47,898.54 : x - Step 2: Convert to fraction form
88,183.99/121,694.80 = 47,898.54/x - Step 3: Cross multiply
88,183.99x = 121,694.80 × 47,898.54 - Step 4: Simplify right side
88,183.99x = 5,829,002,821.61 - Step 5: Solve for x
x = 5,829,002,821.61/88,183.99 - Step 6: Final answer
x = 66,100.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.