Finding the Fourth Proportional to 86,486.58, 129,746.07 and 27,337.14
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Solution
The fourth proportional to 86,486.58, 129,746.07 and 27,337.14 is: 41,010.83
Step by Step Solution
- Step 1: Write the proportion equation
86,486.58 : 129,746.07 = 27,337.14 : x - Step 2: Convert to fraction form
86,486.58/129,746.07 = 27,337.14/x - Step 3: Cross multiply
86,486.58x = 129,746.07 × 27,337.14 - Step 4: Simplify right side
86,486.58x = 3,546,886,480.04 - Step 5: Solve for x
x = 3,546,886,480.04/86,486.58 - Step 6: Final answer
x = 41,010.83
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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.