Finding the Fourth Proportional to 86,562.93, 129,857.36 and 27,378.93
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Solution
The fourth proportional to 86,562.93, 129,857.36 and 27,378.93 is: 41,072.49
Step by Step Solution
- Step 1: Write the proportion equation
86,562.93 : 129,857.36 = 27,378.93 : x - Step 2: Convert to fraction form
86,562.93/129,857.36 = 27,378.93/x - Step 3: Cross multiply
86,562.93x = 129,857.36 × 27,378.93 - Step 4: Simplify right side
86,562.93x = 3,555,355,432.53 - Step 5: Solve for x
x = 3,555,355,432.53/86,562.93 - Step 6: Final answer
x = 41,072.49
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1.5x scale
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.