Finding the Fourth Proportional to 83,969.87, 115,873.16 and 46,244.12
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Solution
The fourth proportional to 83,969.87, 115,873.16 and 46,244.12 is: 63,813.98
Step by Step Solution
- Step 1: Write the proportion equation
83,969.87 : 115,873.16 = 46,244.12 : x - Step 2: Convert to fraction form
83,969.87/115,873.16 = 46,244.12/x - Step 3: Cross multiply
83,969.87x = 115,873.16 × 46,244.12 - Step 4: Simplify right side
83,969.87x = 5,358,451,505.23 - Step 5: Solve for x
x = 5,358,451,505.23/83,969.87 - Step 6: Final answer
x = 63,813.98
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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.