Finding the Fourth Proportional to 85,174.18, 127,840.37 and 43,083.99
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Solution
The fourth proportional to 85,174.18, 127,840.37 and 43,083.99 is: 64,666.00
Step by Step Solution
- Step 1: Write the proportion equation
85,174.18 : 127,840.37 = 43,083.99 : x - Step 2: Convert to fraction form
85,174.18/127,840.37 = 43,083.99/x - Step 3: Cross multiply
85,174.18x = 127,840.37 × 43,083.99 - Step 4: Simplify right side
85,174.18x = 5,507,873,007.26 - Step 5: Solve for x
x = 5,507,873,007.26/85,174.18 - Step 6: Final answer
x = 64,666.00
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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.