Finding the Fourth Proportional to 86,214.99, 118,975.53 and 48,489.24
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Solution
The fourth proportional to 86,214.99, 118,975.53 and 48,489.24 is: 66,914.50
Step by Step Solution
- Step 1: Write the proportion equation
86,214.99 : 118,975.53 = 48,489.24 : x - Step 2: Convert to fraction form
86,214.99/118,975.53 = 48,489.24/x - Step 3: Cross multiply
86,214.99x = 118,975.53 × 48,489.24 - Step 4: Simplify right side
86,214.99x = 5,769,033,028.30 - Step 5: Solve for x
x = 5,769,033,028.30/86,214.99 - Step 6: Final answer
x = 66,914.50
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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.