Finding the Fourth Proportional to 68,249.84, 102,395.08 and 49,317.26
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Solution
The fourth proportional to 68,249.84, 102,395.08 and 49,317.26 is: 73,990.57
Step by Step Solution
- Step 1: Write the proportion equation
68,249.84 : 102,395.08 = 49,317.26 : x - Step 2: Convert to fraction form
68,249.84/102,395.08 = 49,317.26/x - Step 3: Cross multiply
68,249.84x = 102,395.08 × 49,317.26 - Step 4: Simplify right side
68,249.84x = 5,049,844,783.08 - Step 5: Solve for x
x = 5,049,844,783.08/68,249.84 - Step 6: Final answer
x = 73,990.57
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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.