Finding the Fourth Proportional to 83,767.87, 125,471.35 and 39,328.03
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Solution
The fourth proportional to 83,767.87, 125,471.35 and 39,328.03 is: 58,907.32
Step by Step Solution
- Step 1: Write the proportion equation
83,767.87 : 125,471.35 = 39,328.03 : x - Step 2: Convert to fraction form
83,767.87/125,471.35 = 39,328.03/x - Step 3: Cross multiply
83,767.87x = 125,471.35 × 39,328.03 - Step 4: Simplify right side
83,767.87x = 4,934,541,016.94 - Step 5: Solve for x
x = 4,934,541,016.94/83,767.87 - Step 6: Final answer
x = 58,907.32
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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.