Finding the Fourth Proportional to 104,793.36, 144,616.68 and 57,048.08
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Solution
The fourth proportional to 104,793.36, 144,616.68 and 57,048.08 is: 78,727.35
Step by Step Solution
- Step 1: Write the proportion equation
104,793.36 : 144,616.68 = 57,048.08 : x - Step 2: Convert to fraction form
104,793.36/144,616.68 = 57,048.08/x - Step 3: Cross multiply
104,793.36x = 144,616.68 × 57,048.08 - Step 4: Simplify right side
104,793.36x = 8,250,103,929.97 - Step 5: Solve for x
x = 8,250,103,929.97/104,793.36 - Step 6: Final answer
x = 78,727.35
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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.