Finding the Fourth Proportional to 91,761.15, 137,548.77 and 62,181.99
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Solution
The fourth proportional to 91,761.15, 137,548.77 and 62,181.99 is: 93,209.99
Step by Step Solution
- Step 1: Write the proportion equation
91,761.15 : 137,548.77 = 62,181.99 : x - Step 2: Convert to fraction form
91,761.15/137,548.77 = 62,181.99/x - Step 3: Cross multiply
91,761.15x = 137,548.77 × 62,181.99 - Step 4: Simplify right side
91,761.15x = 8,553,056,240.65 - Step 5: Solve for x
x = 8,553,056,240.65/91,761.15 - Step 6: Final answer
x = 93,209.99
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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.