Finding the Fourth Proportional to 86,259.05, 129,393.69 and 27,094.73
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Solution
The fourth proportional to 86,259.05, 129,393.69 and 27,094.73 is: 40,643.70
Step by Step Solution
- Step 1: Write the proportion equation
86,259.05 : 129,393.69 = 27,094.73 : x - Step 2: Convert to fraction form
86,259.05/129,393.69 = 27,094.73/x - Step 3: Cross multiply
86,259.05x = 129,393.69 × 27,094.73 - Step 4: Simplify right side
86,259.05x = 3,505,886,447.29 - Step 5: Solve for x
x = 3,505,886,447.29/86,259.05 - Step 6: Final answer
x = 40,643.70
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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.