Finding the Fourth Proportional to 104,793.30, 144,614.75 and 57,046.99
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Solution
The fourth proportional to 104,793.30, 144,614.75 and 57,046.99 is: 78,724.85
Step by Step Solution
- Step 1: Write the proportion equation
104,793.30 : 144,614.75 = 57,046.99 : x - Step 2: Convert to fraction form
104,793.30/144,614.75 = 57,046.99/x - Step 3: Cross multiply
104,793.30x = 144,614.75 × 57,046.99 - Step 4: Simplify right side
104,793.30x = 8,249,835,911.87 - Step 5: Solve for x
x = 8,249,835,911.87/104,793.30 - Step 6: Final answer
x = 78,724.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.