Finding the Fourth Proportional to 73,815.80, 110,691.30 and 29,427.80
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Solution
The fourth proportional to 73,815.80, 110,691.30 and 29,427.80 is: 44,128.78
Step by Step Solution
- Step 1: Write the proportion equation
73,815.80 : 110,691.30 = 29,427.80 : x - Step 2: Convert to fraction form
73,815.80/110,691.30 = 29,427.80/x - Step 3: Cross multiply
73,815.80x = 110,691.30 × 29,427.80 - Step 4: Simplify right side
73,815.80x = 3,257,401,438.14 - Step 5: Solve for x
x = 3,257,401,438.14/73,815.80 - Step 6: Final answer
x = 44,128.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.