Finding the Fourth Proportional to 70,899.58, 106,414.98 and 35,863.84
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Solution
The fourth proportional to 70,899.58, 106,414.98 and 35,863.84 is: 53,828.95
Step by Step Solution
- Step 1: Write the proportion equation
70,899.58 : 106,414.98 = 35,863.84 : x - Step 2: Convert to fraction form
70,899.58/106,414.98 = 35,863.84/x - Step 3: Cross multiply
70,899.58x = 106,414.98 × 35,863.84 - Step 4: Simplify right side
70,899.58x = 3,816,449,816.32 - Step 5: Solve for x
x = 3,816,449,816.32/70,899.58 - Step 6: Final answer
x = 53,828.95
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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.