Finding the Fourth Proportional to 104,028.08, 143,523.08 and 58,700.48
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Solution
The fourth proportional to 104,028.08, 143,523.08 and 58,700.48 is: 80,986.53
Step by Step Solution
- Step 1: Write the proportion equation
104,028.08 : 143,523.08 = 58,700.48 : x - Step 2: Convert to fraction form
104,028.08/143,523.08 = 58,700.48/x - Step 3: Cross multiply
104,028.08x = 143,523.08 × 58,700.48 - Step 4: Simplify right side
104,028.08x = 8,424,873,687.08 - Step 5: Solve for x
x = 8,424,873,687.08/104,028.08 - Step 6: Final answer
x = 80,986.53
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1.5x scale
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.