Finding the Fourth Proportional to 91,522.44, 126,235.85 and 83,993.09
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Solution
The fourth proportional to 91,522.44, 126,235.85 and 83,993.09 is: 115,850.70
Step by Step Solution
- Step 1: Write the proportion equation
91,522.44 : 126,235.85 = 83,993.09 : x - Step 2: Convert to fraction form
91,522.44/126,235.85 = 83,993.09/x - Step 3: Cross multiply
91,522.44x = 126,235.85 × 83,993.09 - Step 4: Simplify right side
91,522.44x = 10,602,938,690.31 - Step 5: Solve for x
x = 10,602,938,690.31/91,522.44 - Step 6: Final answer
x = 115,850.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.