Finding the Fourth Proportional to 94,523.49, 130,451.61 and 70,608.65
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Solution
The fourth proportional to 94,523.49, 130,451.61 and 70,608.65 is: 97,446.80
Step by Step Solution
- Step 1: Write the proportion equation
94,523.49 : 130,451.61 = 70,608.65 : x - Step 2: Convert to fraction form
94,523.49/130,451.61 = 70,608.65/x - Step 3: Cross multiply
94,523.49x = 130,451.61 × 70,608.65 - Step 4: Simplify right side
94,523.49x = 9,211,011,420.17 - Step 5: Solve for x
x = 9,211,011,420.17/94,523.49 - Step 6: Final answer
x = 97,446.80
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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.