Finding the Fourth Proportional to 86,613.63, 119,526.80 and 48,890.31
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Solution
The fourth proportional to 86,613.63, 119,526.80 and 48,890.31 is: 67,468.62
Step by Step Solution
- Step 1: Write the proportion equation
86,613.63 : 119,526.80 = 48,890.31 : x - Step 2: Convert to fraction form
86,613.63/119,526.80 = 48,890.31/x - Step 3: Cross multiply
86,613.63x = 119,526.80 × 48,890.31 - Step 4: Simplify right side
86,613.63x = 5,843,702,305.31 - Step 5: Solve for x
x = 5,843,702,305.31/86,613.63 - Step 6: Final answer
x = 67,468.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.