Finding the Fourth Proportional to 83,763.62, 125,464.99 and 39,323.78
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Solution
The fourth proportional to 83,763.62, 125,464.99 and 39,323.78 is: 58,900.96
Step by Step Solution
- Step 1: Write the proportion equation
83,763.62 : 125,464.99 = 39,323.78 : x - Step 2: Convert to fraction form
83,763.62/125,464.99 = 39,323.78/x - Step 3: Cross multiply
83,763.62x = 125,464.99 × 39,323.78 - Step 4: Simplify right side
83,763.62x = 4,933,757,037.14 - Step 5: Solve for x
x = 4,933,757,037.14/83,763.62 - Step 6: Final answer
x = 58,900.96
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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.