Finding the Fourth Proportional to 83,721.20, 125,569.65 and 24,550.70
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Solution
The fourth proportional to 83,721.20, 125,569.65 and 24,550.70 is: 36,822.49
Step by Step Solution
- Step 1: Write the proportion equation
83,721.20 : 125,569.65 = 24,550.70 : x - Step 2: Convert to fraction form
83,721.20/125,569.65 = 24,550.70/x - Step 3: Cross multiply
83,721.20x = 125,569.65 × 24,550.70 - Step 4: Simplify right side
83,721.20x = 3,082,822,806.26 - Step 5: Solve for x
x = 3,082,822,806.26/83,721.20 - Step 6: Final answer
x = 36,822.49
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1.5x scale
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.