Finding the Fourth Proportional to 83,694.45, 125,548.50 and 39,296.99
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Solution
The fourth proportional to 83,694.45, 125,548.50 and 39,296.99 is: 58,948.68
Step by Step Solution
- Step 1: Write the proportion equation
83,694.45 : 125,548.50 = 39,296.99 : x - Step 2: Convert to fraction form
83,694.45/125,548.50 = 39,296.99/x - Step 3: Cross multiply
83,694.45x = 125,548.50 × 39,296.99 - Step 4: Simplify right side
83,694.45x = 4,933,677,521.27 - Step 5: Solve for x
x = 4,933,677,521.27/83,694.45 - Step 6: Final answer
x = 58,948.68
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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.