Finding the Fourth Proportional to 89,704.99, 134,430.62 and 49,741.58
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Solution
The fourth proportional to 89,704.99, 134,430.62 and 49,741.58 is: 74,542.02
Step by Step Solution
- Step 1: Write the proportion equation
89,704.99 : 134,430.62 = 49,741.58 : x - Step 2: Convert to fraction form
89,704.99/134,430.62 = 49,741.58/x - Step 3: Cross multiply
89,704.99x = 134,430.62 × 49,741.58 - Step 4: Simplify right side
89,704.99x = 6,686,790,518.32 - Step 5: Solve for x
x = 6,686,790,518.32/89,704.99 - Step 6: Final answer
x = 74,542.02
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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.