Finding the Fourth Proportional to 89,745.74, 134,634.62 and 29,777.81
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Solution
The fourth proportional to 89,745.74, 134,634.62 and 29,777.81 is: 44,672.02
Step by Step Solution
- Step 1: Write the proportion equation
89,745.74 : 134,634.62 = 29,777.81 : x - Step 2: Convert to fraction form
89,745.74/134,634.62 = 29,777.81/x - Step 3: Cross multiply
89,745.74x = 134,634.62 × 29,777.81 - Step 4: Simplify right side
89,745.74x = 4,009,123,311.72 - Step 5: Solve for x
x = 4,009,123,311.72/89,745.74 - Step 6: Final answer
x = 44,672.02
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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.