Finding the Fourth Proportional to 75,683.84, 104,427.72 and 43,850.80
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Solution
The fourth proportional to 75,683.84, 104,427.72 and 43,850.80 is: 60,504.85
Step by Step Solution
- Step 1: Write the proportion equation
75,683.84 : 104,427.72 = 43,850.80 : x - Step 2: Convert to fraction form
75,683.84/104,427.72 = 43,850.80/x - Step 3: Cross multiply
75,683.84x = 104,427.72 × 43,850.80 - Step 4: Simplify right side
75,683.84x = 4,579,239,064.18 - Step 5: Solve for x
x = 4,579,239,064.18/75,683.84 - Step 6: Final answer
x = 60,504.85
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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.