Finding the Fourth Proportional to 83,239.68, 124,791.12 and 38,844.48
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Solution
The fourth proportional to 83,239.68, 124,791.12 and 38,844.48 is: 58,234.80
Step by Step Solution
- Step 1: Write the proportion equation
83,239.68 : 124,791.12 = 38,844.48 : x - Step 2: Convert to fraction form
83,239.68/124,791.12 = 38,844.48/x - Step 3: Cross multiply
83,239.68x = 124,791.12 × 38,844.48 - Step 4: Simplify right side
83,239.68x = 4,847,446,165.02 - Step 5: Solve for x
x = 4,847,446,165.02/83,239.68 - Step 6: Final answer
x = 58,234.80
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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.