Finding the Fourth Proportional to 67,899.58, 101,849.36 and 36,213.65
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Solution
The fourth proportional to 67,899.58, 101,849.36 and 36,213.65 is: 54,320.46
Step by Step Solution
- Step 1: Write the proportion equation
67,899.58 : 101,849.36 = 36,213.65 : x - Step 2: Convert to fraction form
67,899.58/101,849.36 = 36,213.65/x - Step 3: Cross multiply
67,899.58x = 101,849.36 × 36,213.65 - Step 4: Simplify right side
67,899.58x = 3,688,336,521.25 - Step 5: Solve for x
x = 3,688,336,521.25/67,899.58 - Step 6: Final answer
x = 54,320.46
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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.