Finding the Fourth Proportional to 70,625.16, 105,937.62 and 18,034.68
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Solution
The fourth proportional to 70,625.16, 105,937.62 and 18,034.68 is: 27,051.99
Step by Step Solution
- Step 1: Write the proportion equation
70,625.16 : 105,937.62 = 18,034.68 : x - Step 2: Convert to fraction form
70,625.16/105,937.62 = 18,034.68/x - Step 3: Cross multiply
70,625.16x = 105,937.62 × 18,034.68 - Step 4: Simplify right side
70,625.16x = 1,910,551,076.66 - Step 5: Solve for x
x = 1,910,551,076.66/70,625.16 - Step 6: Final answer
x = 27,051.99
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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.