Finding the Fourth Proportional to 86,560.46, 129,762.33 and 33,955.82
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Solution
The fourth proportional to 86,560.46, 129,762.33 and 33,955.82 is: 50,902.99
Step by Step Solution
- Step 1: Write the proportion equation
86,560.46 : 129,762.33 = 33,955.82 : x - Step 2: Convert to fraction form
86,560.46/129,762.33 = 33,955.82/x - Step 3: Cross multiply
86,560.46x = 129,762.33 × 33,955.82 - Step 4: Simplify right side
86,560.46x = 4,406,186,320.26 - Step 5: Solve for x
x = 4,406,186,320.26/86,560.46 - Step 6: Final answer
x = 50,902.99
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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.