Finding the Fourth Proportional to 75,283.64, 103,896.08 and 41,749.64
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Solution
The fourth proportional to 75,283.64, 103,896.08 and 41,749.64 is: 57,617.09
Step by Step Solution
- Step 1: Write the proportion equation
75,283.64 : 103,896.08 = 41,749.64 : x - Step 2: Convert to fraction form
75,283.64/103,896.08 = 41,749.64/x - Step 3: Cross multiply
75,283.64x = 103,896.08 × 41,749.64 - Step 4: Simplify right side
75,283.64x = 4,337,623,937.41 - Step 5: Solve for x
x = 4,337,623,937.41/75,283.64 - Step 6: Final answer
x = 57,617.09
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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.