Finding the Fourth Proportional to 94,013.13, 129,738.11 and 51,571.76
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Solution
The fourth proportional to 94,013.13, 129,738.11 and 51,571.76 is: 71,169.02
Step by Step Solution
- Step 1: Write the proportion equation
94,013.13 : 129,738.11 = 51,571.76 : x - Step 2: Convert to fraction form
94,013.13/129,738.11 = 51,571.76/x - Step 3: Cross multiply
94,013.13x = 129,738.11 × 51,571.76 - Step 4: Simplify right side
94,013.13x = 6,690,822,671.77 - Step 5: Solve for x
x = 6,690,822,671.77/94,013.13 - Step 6: Final answer
x = 71,169.02
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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.