Finding the Fourth Proportional to 86,050.11, 118,685.94 and 50,237.99
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Solution
The fourth proportional to 86,050.11, 118,685.94 and 50,237.99 is: 69,291.51
Step by Step Solution
- Step 1: Write the proportion equation
86,050.11 : 118,685.94 = 50,237.99 : x - Step 2: Convert to fraction form
86,050.11/118,685.94 = 50,237.99/x - Step 3: Cross multiply
86,050.11x = 118,685.94 × 50,237.99 - Step 4: Simplify right side
86,050.11x = 5,962,542,473.43 - Step 5: Solve for x
x = 5,962,542,473.43/86,050.11 - Step 6: Final answer
x = 69,291.51
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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.