Finding the Fourth Proportional to 68,249.20, 102,373.80 and 65,624.80
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Solution
The fourth proportional to 68,249.20, 102,373.80 and 65,624.80 is: 98,437.20
Step by Step Solution
- Step 1: Write the proportion equation
68,249.20 : 102,373.80 = 65,624.80 : x - Step 2: Convert to fraction form
68,249.20/102,373.80 = 65,624.80/x - Step 3: Cross multiply
68,249.20x = 102,373.80 × 65,624.80 - Step 4: Simplify right side
68,249.20x = 6,718,260,150.24 - Step 5: Solve for x
x = 6,718,260,150.24/68,249.20 - Step 6: Final answer
x = 98,437.20
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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.