Finding the Fourth Proportional to 75,397.74, 113,102.01 and 22,811.33
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Solution
The fourth proportional to 75,397.74, 113,102.01 and 22,811.33 is: 34,218.62
Step by Step Solution
- Step 1: Write the proportion equation
75,397.74 : 113,102.01 = 22,811.33 : x - Step 2: Convert to fraction form
75,397.74/113,102.01 = 22,811.33/x - Step 3: Cross multiply
75,397.74x = 113,102.01 × 22,811.33 - Step 4: Simplify right side
75,397.74x = 2,580,006,708.26 - Step 5: Solve for x
x = 2,580,006,708.26/75,397.74 - Step 6: Final answer
x = 34,218.62
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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.