Finding the Fourth Proportional to 97,129.62, 145,720.35 and 34,806.42
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Solution
The fourth proportional to 97,129.62, 145,720.35 and 34,806.42 is: 52,218.92
Step by Step Solution
- Step 1: Write the proportion equation
97,129.62 : 145,720.35 = 34,806.42 : x - Step 2: Convert to fraction form
97,129.62/145,720.35 = 34,806.42/x - Step 3: Cross multiply
97,129.62x = 145,720.35 × 34,806.42 - Step 4: Simplify right side
97,129.62x = 5,072,003,704.65 - Step 5: Solve for x
x = 5,072,003,704.65/97,129.62 - Step 6: Final answer
x = 52,218.92
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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.