Finding the Fourth Proportional to 75,534.87, 104,253.21 and 57,597.84
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Solution
The fourth proportional to 75,534.87, 104,253.21 and 57,597.84 is: 79,496.53
Step by Step Solution
- Step 1: Write the proportion equation
75,534.87 : 104,253.21 = 57,597.84 : x - Step 2: Convert to fraction form
75,534.87/104,253.21 = 57,597.84/x - Step 3: Cross multiply
75,534.87x = 104,253.21 × 57,597.84 - Step 4: Simplify right side
75,534.87x = 6,004,759,709.07 - Step 5: Solve for x
x = 6,004,759,709.07/75,534.87 - Step 6: Final answer
x = 79,496.53
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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.