Finding the Fourth Proportional to 75,189.06, 103,754.01 and 43,351.81
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Solution
The fourth proportional to 75,189.06, 103,754.01 and 43,351.81 is: 59,821.52
Step by Step Solution
- Step 1: Write the proportion equation
75,189.06 : 103,754.01 = 43,351.81 : x - Step 2: Convert to fraction form
75,189.06/103,754.01 = 43,351.81/x - Step 3: Cross multiply
75,189.06x = 103,754.01 × 43,351.81 - Step 4: Simplify right side
75,189.06x = 4,497,924,031.44 - Step 5: Solve for x
x = 4,497,924,031.44/75,189.06 - Step 6: Final answer
x = 59,821.52
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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.