Finding the Fourth Proportional to 75,343.36, 113,024.40 and 22,752.64
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Solution
The fourth proportional to 75,343.36, 113,024.40 and 22,752.64 is: 34,131.79
Step by Step Solution
- Step 1: Write the proportion equation
75,343.36 : 113,024.40 = 22,752.64 : x - Step 2: Convert to fraction form
75,343.36/113,024.40 = 22,752.64/x - Step 3: Cross multiply
75,343.36x = 113,024.40 × 22,752.64 - Step 4: Simplify right side
75,343.36x = 2,571,603,484.42 - Step 5: Solve for x
x = 2,571,603,484.42/75,343.36 - Step 6: Final answer
x = 34,131.79
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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.