Finding the Fourth Proportional to 94,105.68, 129,840.49 and 53,811.12
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Solution
The fourth proportional to 94,105.68, 129,840.49 and 53,811.12 is: 74,244.85
Step by Step Solution
- Step 1: Write the proportion equation
94,105.68 : 129,840.49 = 53,811.12 : x - Step 2: Convert to fraction form
94,105.68/129,840.49 = 53,811.12/x - Step 3: Cross multiply
94,105.68x = 129,840.49 × 53,811.12 - Step 4: Simplify right side
94,105.68x = 6,986,862,188.25 - Step 5: Solve for x
x = 6,986,862,188.25/94,105.68 - Step 6: Final answer
x = 74,244.85
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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.