Finding the Fourth Proportional to 91,863.73, 137,795.55 and 29,539.09
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Solution
The fourth proportional to 91,863.73, 137,795.55 and 29,539.09 is: 44,308.62
Step by Step Solution
- Step 1: Write the proportion equation
91,863.73 : 137,795.55 = 29,539.09 : x - Step 2: Convert to fraction form
91,863.73/137,795.55 = 29,539.09/x - Step 3: Cross multiply
91,863.73x = 137,795.55 × 29,539.09 - Step 4: Simplify right side
91,863.73x = 4,070,355,153.05 - Step 5: Solve for x
x = 4,070,355,153.05/91,863.73 - Step 6: Final answer
x = 44,308.62
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1.5x scale
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.