Finding the Fourth Proportional to 80,090.64, 110,547.01 and 49,858.00
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Solution
The fourth proportional to 80,090.64, 110,547.01 and 49,858.00 is: 68,817.69
Step by Step Solution
- Step 1: Write the proportion equation
80,090.64 : 110,547.01 = 49,858.00 : x - Step 2: Convert to fraction form
80,090.64/110,547.01 = 49,858.00/x - Step 3: Cross multiply
80,090.64x = 110,547.01 × 49,858.00 - Step 4: Simplify right side
80,090.64x = 5,511,652,610.53 - Step 5: Solve for x
x = 5,511,652,610.53/80,090.64 - Step 6: Final answer
x = 68,817.69
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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.