Finding the Fourth Proportional to 68,518.09, 102,701.67 and 44,815.87
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Solution
The fourth proportional to 68,518.09, 102,701.67 and 44,815.87 is: 67,174.45
Step by Step Solution
- Step 1: Write the proportion equation
68,518.09 : 102,701.67 = 44,815.87 : x - Step 2: Convert to fraction form
68,518.09/102,701.67 = 44,815.87/x - Step 3: Cross multiply
68,518.09x = 102,701.67 × 44,815.87 - Step 4: Simplify right side
68,518.09x = 4,602,664,691.50 - Step 5: Solve for x
x = 4,602,664,691.50/68,518.09 - Step 6: Final answer
x = 67,174.45
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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.