Finding the Fourth Proportional to 83,993.37, 115,910.85 and 46,267.62
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Solution
The fourth proportional to 83,993.37, 115,910.85 and 46,267.62 is: 63,849.32
Step by Step Solution
- Step 1: Write the proportion equation
83,993.37 : 115,910.85 = 46,267.62 : x - Step 2: Convert to fraction form
83,993.37/115,910.85 = 46,267.62/x - Step 3: Cross multiply
83,993.37x = 115,910.85 × 46,267.62 - Step 4: Simplify right side
83,993.37x = 5,362,919,161.68 - Step 5: Solve for x
x = 5,362,919,161.68/83,993.37 - Step 6: Final answer
x = 63,849.32
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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.