Finding the Fourth Proportional to 97,357.02, 145,972.75 and 38,198.67
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Solution
The fourth proportional to 97,357.02, 145,972.75 and 38,198.67 is: 57,273.37
Step by Step Solution
- Step 1: Write the proportion equation
97,357.02 : 145,972.75 = 38,198.67 : x - Step 2: Convert to fraction form
97,357.02/145,972.75 = 38,198.67/x - Step 3: Cross multiply
97,357.02x = 145,972.75 × 38,198.67 - Step 4: Simplify right side
97,357.02x = 5,575,964,906.24 - Step 5: Solve for x
x = 5,575,964,906.24/97,357.02 - Step 6: Final answer
x = 57,273.37
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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.