Finding the Fourth Proportional to 73,170.24, 109,762.70 and 19,863.02
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Solution
The fourth proportional to 73,170.24, 109,762.70 and 19,863.02 is: 29,796.53
Step by Step Solution
- Step 1: Write the proportion equation
73,170.24 : 109,762.70 = 19,863.02 : x - Step 2: Convert to fraction form
73,170.24/109,762.70 = 19,863.02/x - Step 3: Cross multiply
73,170.24x = 109,762.70 × 19,863.02 - Step 4: Simplify right side
73,170.24x = 2,180,218,880.45 - Step 5: Solve for x
x = 2,180,218,880.45/73,170.24 - Step 6: Final answer
x = 29,796.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.