Finding the Fourth Proportional to 95,013.06, 142,568.79 and 68,933.08
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Solution
The fourth proportional to 95,013.06, 142,568.79 and 68,933.08 is: 103,435.32
Step by Step Solution
- Step 1: Write the proportion equation
95,013.06 : 142,568.79 = 68,933.08 : x - Step 2: Convert to fraction form
95,013.06/142,568.79 = 68,933.08/x - Step 3: Cross multiply
95,013.06x = 142,568.79 × 68,933.08 - Step 4: Simplify right side
95,013.06x = 9,827,705,806.57 - Step 5: Solve for x
x = 9,827,705,806.57/95,013.06 - Step 6: Final answer
x = 103,435.32
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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.