Finding the Fourth Proportional to 73,096.21, 109,682.74 and 51,885.81
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Solution
The fourth proportional to 73,096.21, 109,682.74 and 51,885.81 is: 77,855.99
Step by Step Solution
- Step 1: Write the proportion equation
73,096.21 : 109,682.74 = 51,885.81 : x - Step 2: Convert to fraction form
73,096.21/109,682.74 = 51,885.81/x - Step 3: Cross multiply
73,096.21x = 109,682.74 × 51,885.81 - Step 4: Simplify right side
73,096.21x = 5,690,977,807.92 - Step 5: Solve for x
x = 5,690,977,807.92/73,096.21 - Step 6: Final answer
x = 77,855.99
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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.