Finding the Fourth Proportional to 86,601.71, 129,887.93 and 24,257.87
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Solution
The fourth proportional to 86,601.71, 129,887.93 and 24,257.87 is: 36,382.70
Step by Step Solution
- Step 1: Write the proportion equation
86,601.71 : 129,887.93 = 24,257.87 : x - Step 2: Convert to fraction form
86,601.71/129,887.93 = 24,257.87/x - Step 3: Cross multiply
86,601.71x = 129,887.93 × 24,257.87 - Step 4: Simplify right side
86,601.71x = 3,150,804,399.22 - Step 5: Solve for x
x = 3,150,804,399.22/86,601.71 - Step 6: Final answer
x = 36,382.70
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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.