Finding the Fourth Proportional to 97,143.48, 145,613.12 and 44,509.68
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Solution
The fourth proportional to 97,143.48, 145,613.12 and 44,509.68 is: 66,717.74
Step by Step Solution
- Step 1: Write the proportion equation
97,143.48 : 145,613.12 = 44,509.68 : x - Step 2: Convert to fraction form
97,143.48/145,613.12 = 44,509.68/x - Step 3: Cross multiply
97,143.48x = 145,613.12 × 44,509.68 - Step 4: Simplify right side
97,143.48x = 6,481,193,375.00 - Step 5: Solve for x
x = 6,481,193,375.00/97,143.48 - Step 6: Final answer
x = 66,717.74
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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.