Finding the Fourth Proportional to 83,308.13, 124,949.36 and 27,148.10
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Solution
The fourth proportional to 83,308.13, 124,949.36 and 27,148.10 is: 40,717.96
Step by Step Solution
- Step 1: Write the proportion equation
83,308.13 : 124,949.36 = 27,148.10 : x - Step 2: Convert to fraction form
83,308.13/124,949.36 = 27,148.10/x - Step 3: Cross multiply
83,308.13x = 124,949.36 × 27,148.10 - Step 4: Simplify right side
83,308.13x = 3,392,136,959.73 - Step 5: Solve for x
x = 3,392,136,959.73/83,308.13 - Step 6: Final answer
x = 40,717.96
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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.