Finding the Fourth Proportional to 103,984.24, 143,499.64 and 58,662.08
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Solution
The fourth proportional to 103,984.24, 143,499.64 and 58,662.08 is: 80,954.45
Step by Step Solution
- Step 1: Write the proportion equation
103,984.24 : 143,499.64 = 58,662.08 : x - Step 2: Convert to fraction form
103,984.24/143,499.64 = 58,662.08/x - Step 3: Cross multiply
103,984.24x = 143,499.64 × 58,662.08 - Step 4: Simplify right side
103,984.24x = 8,417,987,149.56 - Step 5: Solve for x
x = 8,417,987,149.56/103,984.24 - Step 6: Final answer
x = 80,954.45
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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.