Finding the Fourth Proportional to 73,383.21, 110,090.57 and 22,781.21
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Solution
The fourth proportional to 73,383.21, 110,090.57 and 22,781.21 is: 34,176.70
Step by Step Solution
- Step 1: Write the proportion equation
73,383.21 : 110,090.57 = 22,781.21 : x - Step 2: Convert to fraction form
73,383.21/110,090.57 = 22,781.21/x - Step 3: Cross multiply
73,383.21x = 110,090.57 × 22,781.21 - Step 4: Simplify right side
73,383.21x = 2,507,995,729.83 - Step 5: Solve for x
x = 2,507,995,729.83/73,383.21 - Step 6: Final answer
x = 34,176.70
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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.