Finding the Fourth Proportional to 103,797.46, 143,240.93 and 58,475.99
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Solution
The fourth proportional to 103,797.46, 143,240.93 and 58,475.99 is: 80,697.10
Step by Step Solution
- Step 1: Write the proportion equation
103,797.46 : 143,240.93 = 58,475.99 : x - Step 2: Convert to fraction form
103,797.46/143,240.93 = 58,475.99/x - Step 3: Cross multiply
103,797.46x = 143,240.93 × 58,475.99 - Step 4: Simplify right side
103,797.46x = 8,376,154,474.07 - Step 5: Solve for x
x = 8,376,154,474.07/103,797.46 - Step 6: Final answer
x = 80,697.10
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.