Finding the Fourth Proportional to 73,840.80, 110,819.07 and 51,508.92
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Solution
The fourth proportional to 73,840.80, 110,819.07 and 51,508.92 is: 77,303.75
Step by Step Solution
- Step 1: Write the proportion equation
73,840.80 : 110,819.07 = 51,508.92 : x - Step 2: Convert to fraction form
73,840.80/110,819.07 = 51,508.92/x - Step 3: Cross multiply
73,840.80x = 110,819.07 × 51,508.92 - Step 4: Simplify right side
73,840.80x = 5,708,170,611.10 - Step 5: Solve for x
x = 5,708,170,611.10/73,840.80 - Step 6: Final answer
x = 77,303.75
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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.