Finding the Fourth Proportional to 97,992.42, 146,990.34 and 27,873.60
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Solution
The fourth proportional to 97,992.42, 146,990.34 and 27,873.60 is: 41,810.89
Step by Step Solution
- Step 1: Write the proportion equation
97,992.42 : 146,990.34 = 27,873.60 : x - Step 2: Convert to fraction form
97,992.42/146,990.34 = 27,873.60/x - Step 3: Cross multiply
97,992.42x = 146,990.34 × 27,873.60 - Step 4: Simplify right side
97,992.42x = 4,097,149,941.02 - Step 5: Solve for x
x = 4,097,149,941.02/97,992.42 - Step 6: Final answer
x = 41,810.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.