Finding the Fourth Proportional to 75,398.44, 104,037.36 and 43,570.30
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Solution
The fourth proportional to 75,398.44, 104,037.36 and 43,570.30 is: 60,119.80
Step by Step Solution
- Step 1: Write the proportion equation
75,398.44 : 104,037.36 = 43,570.30 : x - Step 2: Convert to fraction form
75,398.44/104,037.36 = 43,570.30/x - Step 3: Cross multiply
75,398.44x = 104,037.36 × 43,570.30 - Step 4: Simplify right side
75,398.44x = 4,532,938,986.41 - Step 5: Solve for x
x = 4,532,938,986.41/75,398.44 - Step 6: Final answer
x = 60,119.80
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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.