Finding the Fourth Proportional to 91,074.11, 125,683.08 and 50,239.80
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Solution
The fourth proportional to 91,074.11, 125,683.08 and 50,239.80 is: 69,331.37
Step by Step Solution
- Step 1: Write the proportion equation
91,074.11 : 125,683.08 = 50,239.80 : x - Step 2: Convert to fraction form
91,074.11/125,683.08 = 50,239.80/x - Step 3: Cross multiply
91,074.11x = 125,683.08 × 50,239.80 - Step 4: Simplify right side
91,074.11x = 6,314,292,802.58 - Step 5: Solve for x
x = 6,314,292,802.58/91,074.11 - Step 6: Final answer
x = 69,331.37
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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.