Finding the Fourth Proportional to 94,729.24, 130,727.43 and 52,287.79
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Solution
The fourth proportional to 94,729.24, 130,727.43 and 52,287.79 is: 72,157.75
Step by Step Solution
- Step 1: Write the proportion equation
94,729.24 : 130,727.43 = 52,287.79 : x - Step 2: Convert to fraction form
94,729.24/130,727.43 = 52,287.79/x - Step 3: Cross multiply
94,729.24x = 130,727.43 × 52,287.79 - Step 4: Simplify right side
94,729.24x = 6,835,448,407.08 - Step 5: Solve for x
x = 6,835,448,407.08/94,729.24 - Step 6: Final answer
x = 72,157.75
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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.