Finding the Fourth Proportional to 70,967.68, 106,226.88 and 44,581.12
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Solution
The fourth proportional to 70,967.68, 106,226.88 and 44,581.12 is: 66,730.56
Step by Step Solution
- Step 1: Write the proportion equation
70,967.68 : 106,226.88 = 44,581.12 : x - Step 2: Convert to fraction form
70,967.68/106,226.88 = 44,581.12/x - Step 3: Cross multiply
70,967.68x = 106,226.88 × 44,581.12 - Step 4: Simplify right side
70,967.68x = 4,735,713,284.51 - Step 5: Solve for x
x = 4,735,713,284.51/70,967.68 - Step 6: Final answer
x = 66,730.56
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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.