Finding the Fourth Proportional to 99,268.94, 136,856.99 and 67,382.48
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Solution
The fourth proportional to 99,268.94, 136,856.99 and 67,382.48 is: 92,896.77
Step by Step Solution
- Step 1: Write the proportion equation
99,268.94 : 136,856.99 = 67,382.48 : x - Step 2: Convert to fraction form
99,268.94/136,856.99 = 67,382.48/x - Step 3: Cross multiply
99,268.94x = 136,856.99 × 67,382.48 - Step 4: Simplify right side
99,268.94x = 9,221,763,902.13 - Step 5: Solve for x
x = 9,221,763,902.13/99,268.94 - Step 6: Final answer
x = 92,896.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.