Finding the Fourth Proportional to 86,251.77, 119,027.25 and 48,526.02
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Solution
The fourth proportional to 86,251.77, 119,027.25 and 48,526.02 is: 66,965.80
Step by Step Solution
- Step 1: Write the proportion equation
86,251.77 : 119,027.25 = 48,526.02 : x - Step 2: Convert to fraction form
86,251.77/119,027.25 = 48,526.02/x - Step 3: Cross multiply
86,251.77x = 119,027.25 × 48,526.02 - Step 4: Simplify right side
86,251.77x = 5,775,918,714.05 - Step 5: Solve for x
x = 5,775,918,714.05/86,251.77 - Step 6: Final answer
x = 66,965.80
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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.