Finding the Fourth Proportional to 79,539.43, 119,283.79 and 26,221.47
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Solution
The fourth proportional to 79,539.43, 119,283.79 and 26,221.47 is: 39,323.85
Step by Step Solution
- Step 1: Write the proportion equation
79,539.43 : 119,283.79 = 26,221.47 : x - Step 2: Convert to fraction form
79,539.43/119,283.79 = 26,221.47/x - Step 3: Cross multiply
79,539.43x = 119,283.79 × 26,221.47 - Step 4: Simplify right side
79,539.43x = 3,127,796,528.24 - Step 5: Solve for x
x = 3,127,796,528.24/79,539.43 - Step 6: Final answer
x = 39,323.85
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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.