Finding the Fourth Proportional to 98,296.59, 135,644.82 and 60,120.07
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Solution
The fourth proportional to 98,296.59, 135,644.82 and 60,120.07 is: 82,962.96
Step by Step Solution
- Step 1: Write the proportion equation
98,296.59 : 135,644.82 = 60,120.07 : x - Step 2: Convert to fraction form
98,296.59/135,644.82 = 60,120.07/x - Step 3: Cross multiply
98,296.59x = 135,644.82 × 60,120.07 - Step 4: Simplify right side
98,296.59x = 8,154,975,923.24 - Step 5: Solve for x
x = 8,154,975,923.24/98,296.59 - Step 6: Final answer
x = 82,962.96
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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.