Finding the Fourth Proportional to 68,073.36, 102,110.08 and 21,329.88
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Solution
The fourth proportional to 68,073.36, 102,110.08 and 21,329.88 is: 31,994.83
Step by Step Solution
- Step 1: Write the proportion equation
68,073.36 : 102,110.08 = 21,329.88 : x - Step 2: Convert to fraction form
68,073.36/102,110.08 = 21,329.88/x - Step 3: Cross multiply
68,073.36x = 102,110.08 × 21,329.88 - Step 4: Simplify right side
68,073.36x = 2,177,995,753.19 - Step 5: Solve for x
x = 2,177,995,753.19/68,073.36 - Step 6: Final answer
x = 31,994.83
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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.