Finding the Fourth Proportional to 97,358.80, 146,021.64 and 27,221.80
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Solution
The fourth proportional to 97,358.80, 146,021.64 and 27,221.80 is: 40,828.07
Step by Step Solution
- Step 1: Write the proportion equation
97,358.80 : 146,021.64 = 27,221.80 : x - Step 2: Convert to fraction form
97,358.80/146,021.64 = 27,221.80/x - Step 3: Cross multiply
97,358.80x = 146,021.64 × 27,221.80 - Step 4: Simplify right side
97,358.80x = 3,974,971,879.75 - Step 5: Solve for x
x = 3,974,971,879.75/97,358.80 - Step 6: Final answer
x = 40,828.07
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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.