Finding the Fourth Proportional to 83,664.60, 125,512.44 and 27,507.84
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Solution
The fourth proportional to 83,664.60, 125,512.44 and 27,507.84 is: 41,266.87
Step by Step Solution
- Step 1: Write the proportion equation
83,664.60 : 125,512.44 = 27,507.84 : x - Step 2: Convert to fraction form
83,664.60/125,512.44 = 27,507.84/x - Step 3: Cross multiply
83,664.60x = 125,512.44 × 27,507.84 - Step 4: Simplify right side
83,664.60x = 3,452,576,117.53 - Step 5: Solve for x
x = 3,452,576,117.53/83,664.60 - Step 6: Final answer
x = 41,266.87
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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.