Finding the Fourth Proportional to 94,110.20, 129,873.12 and 51,090.09
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Solution
The fourth proportional to 94,110.20, 129,873.12 and 51,090.09 is: 70,504.89
Step by Step Solution
- Step 1: Write the proportion equation
94,110.20 : 129,873.12 = 51,090.09 : x - Step 2: Convert to fraction form
94,110.20/129,873.12 = 51,090.09/x - Step 3: Cross multiply
94,110.20x = 129,873.12 × 51,090.09 - Step 4: Simplify right side
94,110.20x = 6,635,229,728.69 - Step 5: Solve for x
x = 6,635,229,728.69/94,110.20 - Step 6: Final answer
x = 70,504.89
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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.