Finding the Fourth Proportional to 68,392.02, 102,511.28 and 44,745.06
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Solution
The fourth proportional to 68,392.02, 102,511.28 and 44,745.06 is: 67,067.38
Step by Step Solution
- Step 1: Write the proportion equation
68,392.02 : 102,511.28 = 44,745.06 : x - Step 2: Convert to fraction form
68,392.02/102,511.28 = 44,745.06/x - Step 3: Cross multiply
68,392.02x = 102,511.28 × 44,745.06 - Step 4: Simplify right side
68,392.02x = 4,586,873,374.28 - Step 5: Solve for x
x = 4,586,873,374.28/68,392.02 - Step 6: Final answer
x = 67,067.38
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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.