Finding the Fourth Proportional to 70,023.87, 105,082.52 and 36,320.99
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Solution
The fourth proportional to 70,023.87, 105,082.52 and 36,320.99 is: 54,505.71
Step by Step Solution
- Step 1: Write the proportion equation
70,023.87 : 105,082.52 = 36,320.99 : x - Step 2: Convert to fraction form
70,023.87/105,082.52 = 36,320.99/x - Step 3: Cross multiply
70,023.87x = 105,082.52 × 36,320.99 - Step 4: Simplify right side
70,023.87x = 3,816,700,451.08 - Step 5: Solve for x
x = 3,816,700,451.08/70,023.87 - Step 6: Final answer
x = 54,505.71
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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.