Finding the Fourth Proportional to 73,860.36, 101,923.61 and 43,647.09
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Solution
The fourth proportional to 73,860.36, 101,923.61 and 43,647.09 is: 60,230.81
Step by Step Solution
- Step 1: Write the proportion equation
73,860.36 : 101,923.61 = 43,647.09 : x - Step 2: Convert to fraction form
73,860.36/101,923.61 = 43,647.09/x - Step 3: Cross multiply
73,860.36x = 101,923.61 × 43,647.09 - Step 4: Simplify right side
73,860.36x = 4,448,668,978.79 - Step 5: Solve for x
x = 4,448,668,978.79/73,860.36 - Step 6: Final answer
x = 60,230.81
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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.