Finding the Fourth Proportional to 75,812.14, 104,658.24 and 58,777.84
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Solution
The fourth proportional to 75,812.14, 104,658.24 and 58,777.84 is: 81,142.48
Step by Step Solution
- Step 1: Write the proportion equation
75,812.14 : 104,658.24 = 58,777.84 : x - Step 2: Convert to fraction form
75,812.14/104,658.24 = 58,777.84/x - Step 3: Cross multiply
75,812.14x = 104,658.24 × 58,777.84 - Step 4: Simplify right side
75,812.14x = 6,151,585,285.40 - Step 5: Solve for x
x = 6,151,585,285.40/75,812.14 - Step 6: Final answer
x = 81,142.48
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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.