Finding the Fourth Proportional to 68,177.36, 102,265.91 and 30,693.63
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Solution
The fourth proportional to 68,177.36, 102,265.91 and 30,693.63 is: 46,040.39
Step by Step Solution
- Step 1: Write the proportion equation
68,177.36 : 102,265.91 = 30,693.63 : x - Step 2: Convert to fraction form
68,177.36/102,265.91 = 30,693.63/x - Step 3: Cross multiply
68,177.36x = 102,265.91 × 30,693.63 - Step 4: Simplify right side
68,177.36x = 3,138,912,510.14 - Step 5: Solve for x
x = 3,138,912,510.14/68,177.36 - Step 6: Final answer
x = 46,040.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.