Finding the Fourth Proportional to 72,949.13, 109,112.65 and 44,800.01
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Solution
The fourth proportional to 72,949.13, 109,112.65 and 44,800.01 is: 67,008.99
Step by Step Solution
- Step 1: Write the proportion equation
72,949.13 : 109,112.65 = 44,800.01 : x - Step 2: Convert to fraction form
72,949.13/109,112.65 = 44,800.01/x - Step 3: Cross multiply
72,949.13x = 109,112.65 × 44,800.01 - Step 4: Simplify right side
72,949.13x = 4,888,247,811.13 - Step 5: Solve for x
x = 4,888,247,811.13/72,949.13 - Step 6: Final answer
x = 67,008.99
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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.