Finding the Fourth Proportional to 83,662.60, 125,509.44 and 27,505.84
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Solution
The fourth proportional to 83,662.60, 125,509.44 and 27,505.84 is: 41,263.87
Step by Step Solution
- Step 1: Write the proportion equation
83,662.60 : 125,509.44 = 27,505.84 : x - Step 2: Convert to fraction form
83,662.60/125,509.44 = 27,505.84/x - Step 3: Cross multiply
83,662.60x = 125,509.44 × 27,505.84 - Step 4: Simplify right side
83,662.60x = 3,452,242,575.13 - Step 5: Solve for x
x = 3,452,242,575.13/83,662.60 - Step 6: Final answer
x = 41,263.87
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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.